Bump actions/upload-artifact from 2.2.4 to 2.3.1 (#24011)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2.2.4 to 2.3.1.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](27121b0bdf...82c141cc51)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kevin Heis <heiskr@users.noreply.github.com>

.github/workflows/staging-build-pr.yml

@@ -129,7 +129,7 @@ jobs:
       # We are not willing to trust the rest (e.g. script/) for the remainder
       # of the deployment process.
       - name: Upload build artifact
-        uses: actions/upload-artifact@27121b0bdffd731efa15d66772be8dc71245d074
+        uses: actions/upload-artifact@82c141cc518b40d92cc801eee768e7aafc9c2fa2
         with:
           name: pr_build
           path: app.tar