Bump phpstan/phpstan from 2.1.40 to 2.1.42 in the phpstan-packages group

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-version: 2.1.42
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: phpstan-packages
...

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Author: dependabot[bot]