build(deps): bump actions-js/push from 1.4 to 1.5 (#64)

Bumps [actions-js/push](https://github.com/actions-js/push) from 1.4 to 1.5.
- [Release notes](https://github.com/actions-js/push/releases)
- [Commits](actions-js/push@v1.4...v1.5)

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

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

.github/workflows/cron.yml

@@ -16,7 +16,7 @@ jobs:
         # Check that everything is still working
       - run: ./ci.sh
       - name: Commit & Push changes
-        uses: actions-js/push@v1.4
+        uses: actions-js/push@v1.5
         with:
           branch: 'master'
           github_token: ${{ secrets.GITHUB_TOKEN }}