Bump actions/download-artifact from 4 to 5

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/pr_comment.yml

@@ -20,14 +20,14 @@ jobs:
         run: echo "$GITHUB_CONTEXT"
 
       - name: Download comment message
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: message
           run-id: ${{ github.event.workflow_run.id }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Download pr number
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: pr
           run-id: ${{ github.event.workflow_run.id }}