MAINT: Bump ZeitOnline/gh-action-baseproject from 0.9.0 to 0.10.2

Bumps [ZeitOnline/gh-action-baseproject](https://github.com/zeitonline/gh-action-baseproject) from 0.9.0 to 0.10.2.
- [Release notes](https://github.com/zeitonline/gh-action-baseproject/releases)
- [Changelog](https://github.com/ZeitOnline/gh-action-baseproject/blob/main/CHANGELOG.md)
- [Commits](ZeitOnline/gh-action-baseproject@v0.9.0...v0.10.2)

---
updated-dependencies:
- dependency-name: ZeitOnline/gh-action-baseproject
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/testrunner.yaml

@@ -50,7 +50,7 @@ jobs:
           # Has been added manually (both the key in vivi-deployment and
           # the GHA secret in vivi)
           ssh-key: ${{secrets.DEPLOY_KEY_DEPLOYMENT}}
-      - uses: ZeitOnline/gh-action-baseproject@v0.9.0
+      - uses: ZeitOnline/gh-action-baseproject@v0.10.2
         with:
           project_name: ${{env.project}}
           environment: staging