chore(deps): update dependency pre-commit/pre-commit to v2.21.0

This MR contains the following updates:

Package	Update	Change
pre-commit/pre-commit	minor	2.20.0 -> 2.21.0

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Release Notes

pre-commit/pre-commit

v2.21.0

Compare Source

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Features

• Require new-enough virtualenv to prevent 3.10 breakage
  • #​2467 MR by @​asottile.
• Respect aliases with SKIP for environment install.
  • #​2480 MR by @​kmARC.
  • #​2478 issue by @​kmARC.
• Allow pre-commit run --files against unmerged paths.
  • #​2484 MR by @​asottile.
• Also apply regex warnings to repo: local hooks.
  • #​2524 MR by @​chrisRedwine.
  • #​2521 issue by @​asottile.
• rust is now a "first class" language -- supporting language_version and installation when not present.
  • #​2534 MR by @​Holzhaus.
• r now uses more-reliable binary installation.
  • #​2460 MR by @​lorenzwalthert.
• GIT_ALLOW_MROTOCOL is now passed through for git operations.
  • #​2555 MR by @​asottile.
• GIT_ASKPASS is now passed through for git operations.
  • #​2564 MR by @​mattp-.
• Remove toml dependency by using cargo add directly.
  • #​2568 MR by @​m-rsha.
• Support dotnet hooks which have dotted prefixes.
  • #​2641 MR by @​rkm.
  • #​2629 issue by @​rkm.

Fixes

• Properly adjust --commit-msg-filename if run from a sub directory.
  • #​2459 MR by @​asottile.
• Simplify --intent-to-add detection by using git diff.
  • #​2580 MR by @​m-rsha.
• Fix R.exe selection on windows.
  • #​2605 MR by @​lorenzwalthert.
  • #​2599 issue by @​SInginc.
• Skip default nuget source when installing dotnet packages.
  • #​2642 MR by @​rkm.

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