Bump tj-actions/changed-files from 35 to 41 in /.github/workflows

Bumps [tj-actions/changed-files](https://github.com/tj-actions/changed-files) from 35 to 41.
- [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@v35...v41)

---
updated-dependencies:
- dependency-name: tj-actions/changed-files
  dependency-type: direct:production
...

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

.github/workflows/pep8.yml

@@ -17,7 +17,7 @@ jobs:
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v35
+        uses: tj-actions/changed-files@v41
 
       - name: Setup pycodestyle
         run: pip install pycodestyle