Bump fastify/github-action-merge-dependabot from 2.7.1 to 3.0.2 (#56)

* Bump fastify/github-action-merge-dependabot from 2.7.1 to 3.0.2

Bumps [fastify/github-action-merge-dependabot](https://github.com/fastify/github-action-merge-dependabot) from 2.7.1 to 3.0.2.
- [Release notes](https://github.com/fastify/github-action-merge-dependabot/releases)
- [Commits](fastify/github-action-merge-dependabot@v2.7.1...v3.0.2)

---
updated-dependencies:
- dependency-name: fastify/github-action-merge-dependabot
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

* chore: update merge action

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

.github/workflows/ci.yml

@@ -6,12 +6,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [10.x, 12.x, 14.x]
+        node: [10, 12, 14, 16]
     name: Node ${{ matrix.node }}
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
       - name: Setup node
-        uses: actions/setup-node@v2.5.0
+        uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
       - run: npm install
@@ -22,7 +22,10 @@ jobs:
   automerge:
     needs: build
     runs-on: ubuntu-latest
+    permissions:
+     pull-requests: write
+     contents: write    
     steps:
-      - uses: fastify/github-action-merge-dependabot@v2.7.1
+      - uses: fastify/github-action-merge-dependabot@v3
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}