Support PEP 708

[EpicWink]

Support PEP 708, which adds meta.tracks and alternate-locations, and sets api-version to 1.2. Implement both as server and client.

[MrT3acher]

What can I do with the current release to ignore errors like this:

  × pip subprocess to install build dependencies did not run successfully.
  │ exit code: 1
  ╰─> [5 lines of output]
      Looking in indexes: http://example.com/index
      Collecting setuptools
        Obtaining dependency information for setuptools from https://example.com/index/setuptools/setuptools-68.0.0-py3-none-any.whl.metadata
        ERROR: HTTP error 404 while getting https://example.com/index/setuptools/setuptools-68.0.0-py3-none-any.whl.metadata
      ERROR: 404 Client Error: NOT FOUND for url: https://example.com/index/setuptools/setuptools-68.0.0-py3-none-any.whl.metadata
      [end of output]

[EpicWink]

What can I do with the current release to ignore errors like this

@MrT3acher is that related to this issue? It looks like something wrong with the wheel metadata file support, not about repository tracking. Please update an existing issue (likely #23) or open a new issue with more details.