ci: Allow major upgrades to github-actions

Author: jpmckinney

.github/workflows/automerge.yml

@@ -15,11 +15,11 @@ jobs:
         uses: dependabot/fetch-metadata@v1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
-      - if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' }}
+      - if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' || steps.dependabot-metadata.outputs.package-ecosystem == 'github-actions' }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: gh pr review --approve ${{ github.event.pull_request.html_url }}
-      - if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' }}
+      - if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' || steps.dependabot-metadata.outputs.package-ecosystem == 'github-actions' }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: gh pr merge --auto --squash ${{ github.event.pull_request.html_url }}