chore: upgrade github-action-merge-dependabot to v3 (#127)

.github/workflows/ci.yml

@@ -1,49 +1,51 @@
 name: CI
-
-on:
+'on':
   push:
     paths-ignore:
-      - 'docs/**'
+      - docs/**
       - '*.md'
   pull_request:
     paths-ignore:
-      - 'docs/**'
+      - docs/**
       - '*.md'
-
 jobs:
   test:
     runs-on: ubuntu-latest
-
     strategy:
       matrix:
-        node-version: [10, 12, 14, 16]
-        redis-tag: [5, 6]
+        node-version:
+          - 10
+          - 12
+          - 14
+          - 16
+        redis-tag:
+          - 5
+          - 6
     services:
       redis:
         image: redis:${{ matrix.redis-tag }}
         ports:
-        - 6379:6379
-        options: --entrypoint redis-server
+          - '6379:6379'
+        options: '--entrypoint redis-server'
     steps:
       - uses: actions/checkout@v2
-
       - name: Use Node.js
         uses: actions/setup-node@v2
         with:
-            node-version: ${{ matrix.node-version }}
-
+          node-version: ${{ matrix.node-version }}
       - name: Install Dependencies
         run: |
           npm install --ignore-scripts
-
       - name: Run Tests
         run: |
           npm test
-
   automerge:
     needs: test
     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 }}