chore: Bump actions/download-artifact from 3 to 4 (#20225)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v3...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/release_please.yml

@@ -100,7 +100,7 @@ jobs:
       with:
         commit_message: "chore: promote to dev"
     - name: Download changelog
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: changelog
         path: ../changelog