feat: Centralise node version

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,22 @@
+name: Dependabot auto-merge
+on: pull_request
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: Enable auto-merge for Dependabot PRs
+        run: gh pr merge "$PR_URL" --auto --body "" --squash
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

.github/workflows/npm-test.yml

@@ -8,13 +8,18 @@ jobs:
   test:
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        version: ${{ fromJSON(vars.SUPPORTED_NODE_VERSIONS) }}
+
     steps:
     - name: Checkout
       uses: actions/checkout@v2
-    - name: Use Node.js 14.x
-      uses: actions/setup-node@v1
+    - name: Setup Node.js ${{ matrix.version }}
+      uses: actions/setup-node@v3
       with:
-        node-version: 14
+        check-latest: true
+        node-version: ${{ matrix.version }}
     - name: Install
       run: npm ci
     - name: Test