Bump tj-actions/changed-files from 41 to 46 in /.github/workflows

Bumps [tj-actions/changed-files](https://github.com/tj-actions/changed-files) from 41 to 46.
- [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...v46)

---
updated-dependencies:
- dependency-name: tj-actions/changed-files
  dependency-version: '46'
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/optimize-images.yaml

@@ -27,7 +27,7 @@ jobs:
 
       - name: Find changed image files
         id: changed-files
-        uses: tj-actions/changed-files@v41
+        uses: tj-actions/changed-files@v46
         with:
           files: |
             sites/**/*.png

.github/workflows/pr-url-and-dependent.yaml

@@ -193,7 +193,7 @@ jobs:
           touch pr_comment.txt
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v41
+        uses: tj-actions/changed-files@v46
         with:
           sha: ${{ env.HEADSHA }}
           base_sha: ${{ env.BASESHA }}