Bump tj-actions/changed-files in /.github/workflows

Bumps [tj-actions/changed-files](https://github.com/tj-actions/changed-files) from 41.0.0 to 45.0.8.
- [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@v41.0.0...v45.0.8)

---
updated-dependencies:
- dependency-name: tj-actions/changed-files
  dependency-version: 45.0.8
  dependency-type: direct:production
...

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

Author: dependabot[bot]

.github/workflows/dokken-system-tests.yml

@@ -64,7 +64,7 @@ jobs:
           df -h /
       - name: Get changed files
         id: changed-files-excluding-tests
-        uses: tj-actions/changed-files@v41.0.0
+        uses: tj-actions/changed-files@v45.0.8
         with:
           files_ignore: |
             !.*