Update virtualenv to 20.16.3

[pyup-bot]

This PR updates virtualenv from 20.4.6 to 20.16.3.

Changelog

20.16.3

~~~~~~~~~~~~~~~~~~
- Upgrade embedded pip to ``22.2.2`` from ``22.2.1`` and setuptools to ``63.4.1`` from ``63.2.0`` - by :user:`gaborbernat`. (`2395 <https://github.com/pypa/virtualenv/issues/2395>`_)

20.16.2

~~~~~~~~~~~~~~~~~~
- Bump embeded pip from ``22.2`` to ``22.2.1`` - by :user:`gaborbernat`. (`2391 <https://github.com/pypa/virtualenv/issues/2391>`_)

20.16.1

~~~~~~~~~~~~~~~~~~
- Update Nushell activation scripts to version 0.67 - by :user:`kubouch`. (`2386 <https://github.com/pypa/virtualenv/issues/2386>`_)

20.16.0

~~~~~~~~~~~~~~~~~~
- Drop support for running under Python 2 (still can generate Python 2 environments) - by :user:`gaborbernat`. (`2382 <https://github.com/pypa/virtualenv/issues/2382>`_)
- Upgrade embedded pip to ``22.2`` from ``22.1.2`` and  setuptools to ``63.2.0`` from ``62.6.0`` -
by :user:`gaborbernat`. (`2383 <https://github.com/pypa/virtualenv/issues/2383>`_)

20.15.1

~~~~~~~~~~~~~~~~~~
- Fix the incorrect operation when ``setuptools`` plugins output something into ``stdout``. (`2335 <https://github.com/pypa/virtualenv/issues/2335>`_)
- CPython3Windows creator ignores missing ``DLLs`` dir. (`2368 <https://github.com/pypa/virtualenv/issues/2368>`_)

20.15.0

~~~~~~~~~~~~~~~~~~
- Upgrade embedded setuptools to ``62.3.3`` from ``62.6.0`` and pip to ``22.1.2`` from ``22.0.4``
- by :user:`gaborbernat`. (`2348 <https://github.com/pypa/virtualenv/issues/2348>`_)
- Use ``shlex.quote`` instead of deprecated ``pipes.quote`` in Python 3 - by :user:`frenzymadness`. (`2351 <https://github.com/pypa/virtualenv/issues/2351>`_)
- Fix Windows PyPy 3.6 - by :user:`reksarka`. (`2363 <https://github.com/pypa/virtualenv/issues/2363>`_)

20.14.1

~~~~~~~~~~~~~~~~~~
- Upgrade embedded setuptools to ``62.1.0`` from ``61.0.0`` - by :user:`gaborbernat`. (`2327 <https://github.com/pypa/virtualenv/issues/2327>`_)

20.14.0

~~~~~~~~~~~~~~~~~~
- Improve performance of python startup inside created virtualenvs - by :user:`asottile`. (`2317 <https://github.com/pypa/virtualenv/issues/2317>`_)
- Upgrade embedded setuptools to ``60.10.0`` from ``60.9.3`` - by :user:`gaborbernat`. (`2320 <https://github.com/pypa/virtualenv/issues/2320>`_)

20.13.4

---------------------

20.13.3

~~~~~~~~~~~~~~~~~~
- Avoid symlinking the contents of ``/usr`` into PyPy3.8+ virtualenvs - by :user:`stefanor`. (`2310 <https://github.com/pypa/virtualenv/issues/2310>`_)
- Bump embed pip from ``22.0.3`` to ``22.0.4`` - by :user:`gaborbernat`. (`2311 <https://github.com/pypa/virtualenv/issues/2311>`_)

20.13.2

~~~~~~~~~~~~~~~~~~
- Upgrade embedded setuptools to ``60.9.3`` from ``60.6.0`` - by :user:`gaborbernat`. (`2306 <https://github.com/pypa/virtualenv/issues/2306>`_)

20.13.1

~~~~~~~~~~~~~~~~~~
- fix "execv() arg 2 must contain only strings" error on M1 MacOS (`2282 <https://github.com/pypa/virtualenv/issues/2282>`_)
- Ugrade embedded setuptools to ``60.5.0`` from ``60.2.0`` - by :user:`asottile`. (`2289 <https://github.com/pypa/virtualenv/issues/2289>`_)
- Upgrade embedded pip to ``22.0.3`` and setuptools to ``60.6.0`` - by :user:`gaborbernat` and :user:`asottile`. (`2294 <https://github.com/pypa/virtualenv/issues/2294>`_)

20.13.0

~~~~~~~~~~~~~~~~~~
- Fix ``AttributeError: 'bool' object has no attribute 'error'`` when creating a
Python 2.x virtualenv on macOS - by ``moreati``. (`2269 <https://github.com/pypa/virtualenv/issues/2269>`_)
- Fix ``PermissionError: [Errno 1] Operation not permitted`` when creating a
Python 2.x virtualenv on macOS/arm64 - by ``moreati``. (`2271 <https://github.com/pypa/virtualenv/issues/2271>`_)

20.12.1

~~~~~~~~~~~~~~~~~~
- Try using previous updates of ``pip``, ``setuptools`` & ``wheel``
when inside an update grace period rather than always falling back
to embedded wheels - by :user:`mayeut`. (`2265 <https://github.com/pypa/virtualenv/issues/2265>`_)
- New patch versions of ``pip``, ``setuptools`` & ``wheel`` are now
returned in the expected timeframe. - by :user:`mayeut`. (`2266 <https://github.com/pypa/virtualenv/issues/2266>`_)
- Manual upgrades of ``pip``, ``setuptools`` & ``wheel`` are
not discarded by a periodic update - by :user:`mayeut`. (`2267 <https://github.com/pypa/virtualenv/issues/2267>`_)

20.12.0

~~~~~~~~~~~~~~~~~~
- Fix ``--download`` option - by :user:`mayeut`. (`2120 <https://github.com/pypa/virtualenv/issues/2120>`_)
- Ugrade embedded setuptools to ``60.2.0`` from ``60.1.1`` - by :user:`gaborbernat`. (`2263 <https://github.com/pypa/virtualenv/issues/2263>`_)

20.11.2

~~~~~~~~~~~~~~~~~~
- Fix installation of pinned versions of ``pip``, ``setuptools`` & ``wheel`` - by :user:`mayeut`. (`2203 <https://github.com/pypa/virtualenv/issues/2203>`_)

20.11.1

~~~~~~~~~~~~~~~~~~
- Bump embed setuptools to ``60.1.1`` from ``60.1.0`` - by :user:`gaborbernat`. (`2258 <https://github.com/pypa/virtualenv/issues/2258>`_)

20.11.0

~~~~~~~~~~~~~~~~~~
- Avoid deprecation warning from py-filelock argument - by :user:`ofek`. (`2237 <https://github.com/pypa/virtualenv/issues/2237>`_)
- Upgrade embedded setuptools to ``61.1.0`` from ``58.3.0`` - by :user:`gaborbernat`. (`2240 <https://github.com/pypa/virtualenv/issues/2240>`_)
- Drop the runtime dependency of ``backports.entry-points-selectable`` - by :user:`hroncok`. (`2246 <https://github.com/pypa/virtualenv/issues/2246>`_)
- Fish: PATH variables should not be quoted when being set - by :user:`hroncok`. (`2248 <https://github.com/pypa/virtualenv/issues/2248>`_)

20.10.0

~~~~~~~~~~~~~~~~~~
- Fix broken prompt set up by activate.bat - by :user:`SiggyBar`. (`2225 <https://github.com/pypa/virtualenv/issues/2225>`_)

20.9.0

~~~~~~~~~~~~~~~~~
- Fixed path collision that could lead to a PermissionError or writing to system
directories when using PyPy3.8 - by :user:`mgorny`. (`2182 <https://github.com/pypa/virtualenv/issues/2182>`_)
- Upgrade embedded setuptools to ``58.3.0`` from ``58.1.0`` and pip to ``21.3.1`` from ``21.2.4`` - by
:user:`gaborbernat`. (`2205 <https://github.com/pypa/virtualenv/issues/2205>`_)
- Remove stray closing parenthesis in activate.bat - by :user:`SiggyBar`. (`2221 <https://github.com/pypa/virtualenv/issues/2221>`_)

20.8.1

~~~~~~~~~~~~~
- `2189 <https://github.com/pypa/virtualenv/issues/2189>`_

20.8.0

--------------------

* upgrade embedded setuptools to ``58.0.4`` from ``57.4.0`` and pip to ``21.2.4`` from ``21.2.3``
* Add nushell activation script

20.7.2

~~~~~~~~~~~~~~~~~
- Upgrade embedded pip to ``21.2.3`` from ``21.2.2`` and wheel to ``0.37.0`` from ``0.36.2`` - by :user:`gaborbernat`. (`2168 <https://github.com/pypa/virtualenv/issues/2168>`_)

20.7.1

~~~~~~~~~~~~~~~~~
- Fix unpacking dictionary items in PythonInfo.install_path (`2165 <https://github.com/pypa/virtualenv/issues/2165>`_)

20.7.0

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Removed ``xonsh`` activator due to this breaking fairly often the CI and lack of support from those packages
maintainers, upstream is encouraged to continue supporting the project as a
`plugin <https://github.com/xonsh/xonsh/issues/3689>`_  - by :user:`gaborbernat`. (`#2160 <https://github.com/pypa/virtualenv/issues/2160>`_)

20.6.0

~~~~~~~~~~~~~~~~~
- Support Python interpreters without ``distutils`` (fallback to ``syconfig`` in these cases) - by :user:`gaborbernat`. (`1910 <https://github.com/pypa/virtualenv/issues/1910>`_)

20.5.0

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Drop python ``3.4`` support as it has been over 2 years since EOL - by :user:`gaborbernat`. (`2141 <https://github.com/pypa/virtualenv/issues/2141>`_)

20.4.7

~~~~~~~~~~~~~~~~~
- Upgrade embedded pip to ``21.1.2`` and setuptools to ``57.0.0`` - by :user:`gaborbernat`. (`2123 <https://github.com/pypa/virtualenv/issues/2123>`_)

Links

• PyPI: https://pypi.org/project/virtualenv
• Changelog: https://pyup.io/changelogs/virtualenv/
• Homepage: https://virtualenv.pypa.io/