Bump bleach from 3.1.0 to 3.1.4

[dependabot[bot]]

Bumps bleach from 3.1.0 to 3.1.4.

Changelog

Sourced from bleach's changelog.

Version 3.1.4 (March 24th, 2020)

Security fixes

• bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS).

  Calls to bleach.clean with an allowed tag with an allowed style attribute were vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).

  This issue was confirmed in Bleach versions v3.1.3, v3.1.2, v3.1.1, v3.1.0, v3.0.0, v2.1.4, and v2.1.3. Earlier versions used a similar regular expression and should be considered vulnerable too.

  Anyone using Bleach <=v3.1.3 is encouraged to upgrade.

  https://bugzilla.mozilla.org/show_bug.cgi?id=1623633

Backwards incompatible changes

• Style attributes with dashes, or single or double quoted values are cleaned instead of passed through.

Features

None

Bug fixes

None

Version 3.1.3 (March 17th, 2020)

Security fixes

None

Backwards incompatible changes

None

Features

• Add relative link to code of conduct. (#442)

• Drop deprecated 'setup.py test' support. (#507)

... (truncated)

Commits

• 6e74a50 Update for v3.1.4 release
• d6018f2 fix bug 1623633
• fc77027 Merge branch 'v3.1.0-branch'
• e4b1c50 Update for v3.1.3 release
• 59cc502 Update for v3.1.2 release
• 3f39d48 add wheel to requirements-dev
• 175f677 fix bug 1621692
• 78a0672 Update for v3.1.2 release
• 7b625ff add wheel to requirements-dev
• e4e9e21 fix bug 1621692
• Additional commits viewable in compare view

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