Bump fastify/github-action-merge-dependabot from v1 to v1.2.1 (#72)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
     needs: test
     runs-on: ubuntu-latest
     steps:
-      - uses: fastify/github-action-merge-dependabot@v1
+      - uses: fastify/github-action-merge-dependabot@v1.2.1
         if: ${{ github.actor == 'dependabot[bot]' && github.event_name == 'pull_request' }}
         with:
           github-token: ${{secrets.github_token}}