chore(deps): bump tj-actions/changed-files from 43 to 44

Bumps [tj-actions/changed-files](https://github.com/tj-actions/changed-files) from 43 to 44.
- [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@v43...v44)

---
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/validation.yml

@@ -92,7 +92,7 @@ jobs:
         run: pytest --tb=short -v
       - name: Check for pickle file change
         id: pickle-change
-        uses: tj-actions/changed-files@v43
+        uses: tj-actions/changed-files@v44
         with:
           files: 'tests/known-slugs.pickle'
       - name: Add PR Comment if pickle file is modified