fix: dev: use gh cli for both approve and merge ala this action [1]

[1] https://github.com/bgalek/dependabot-automerge

Signed-off-by: Stephen L Arnold <sarnold@vctlabs.com>

Author: sarnold

.github/workflows/autobot.yml

@@ -16,13 +16,19 @@ jobs:
       PR_URL: ${{ github.event.pull_request.html_url }}
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     runs-on: ubuntu-latest
-    if: github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]'
+
     steps:
       - name: Fetch Dependabot metadata
         id: metadata
+        if: ${{ github.event_name == 'pull_request' && github.actor == 'dependabot[bot]' }}
         uses: dependabot/fetch-metadata@d7267f607e9d3fb96fc2fbe83e0af444713e90b7  # v2.3.0
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
 
       - name: Enable auto-approve for Dependabot PRs
+        if: ${{ github.event_name == 'pull_request' && github.actor == 'dependabot[bot]' }}
         run: gh pr review --approve "${PR_URL}"
+
+      - name: Enable auto-approve for Dependabot PRs
+        if: ${{ github.event_name == 'pull_request' && github.actor == 'dependabot[bot]' }}
+        run: gh pr merge --squash --auto "${PR_URL}" || gh pr merge --merge --auto "${PR_URL}" || gh pr merge --rebase --auto "${PR_URL}"