Bump php-cs-fixer/shim from 3.75.0 to 3.91.3

Bumps [php-cs-fixer/shim](https://github.com/PHP-CS-Fixer/shim) from 3.75.0 to 3.91.3.
- [Commits](PHP-CS-Fixer/shim@v3.75.0...v3.91.3)

---
updated-dependencies:
- dependency-name: php-cs-fixer/shim
  dependency-version: 3.91.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]