Adjust pre-commit CI config

[TheJulianJES]

Proposed change

This slightly adjusts the commit messages for pre-commit CI.
mypy is also dropped from the pre-commit CI action, as we're already doing this in our own CI flow with pre-commit.

Additional information

Whilst pre-commit CI doesn't need any configuration and is already functional now, this PR updates the commit messages for auto-fixes (applied on PRs that didn't run pre-commit first) and the title of PRs created when the hooks are updated.

For auto-updates, this was "[pre-commit.ci] pre-commit autoupdate" before, but that doesn't really fit with how we/HA are naming PRs. For auto-fixes, it's "[pre-commit.ci] auto fixes from pre-commit.com hooks [...]" by default.
This PR changes it to more simple commit messages without a "[pre-commit.ci]" prefix.

Related PR on the quirks repo (same changes):

• Adjust pre-commit CI config zha-device-handlers#3345

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.89%. Comparing base (9f8263a) to head (9608aaa).
Report is 2 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #192   +/-   ##
=======================================
  Coverage   95.89%   95.89%           
=======================================
  Files          61       61           
  Lines        9404     9404           
=======================================
  Hits         9018     9018           
  Misses        386      386           

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