Bump tj-actions/changed-files from 39.2.0 to 42.0.1

Bumps [tj-actions/changed-files](https://github.com/tj-actions/changed-files) from 39.2.0 to 42.0.1.
- [Release notes](https://github.com/tj-actions/changed-files/releases)
- [Changelog](https://github.com/tj-actions/changed-files/blob/main/HISTORY.md)
- [Commits](tj-actions/changed-files@8238a41...ac21d93)

---
updated-dependencies:
- dependency-name: tj-actions/changed-files
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/php-changes-detection.yml

@@ -17,7 +17,7 @@ jobs:
 
             - name: Get changed PHP files
               id: changed-files-php
-              uses: tj-actions/changed-files@8238a4103220c636f2dad328ead8a7c8dbe316a3 # v39.2.0
+              uses: tj-actions/changed-files@ac21d93904fb48e7f76ce4bd2a4d197f67e34abe # v42.0.1
               with:
                   files: |
                       *.{php}