ci: use Node.js v16 instead of v14 for some CI jobs

.github/workflows/ci.yml

@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js v14
+      - name: Use Node.js v16
         uses: actions/setup-node@v2
         with:
-          node-version: 14
+          node-version: 16
       - run: npm ci
       - name: Run unit tests
         run: npm run test:unit:coverage
@@ -56,16 +56,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js 14.x
+      - name: Use Node.js 16.x
         uses: actions/setup-node@v2
         with:
-          node-version: 14.x
+          node-version: 16.x
       - name: Install dependencies
         run: npm ci
       - name: Download compiled source code artifact
         uses: actions/download-artifact@v2
         with:
-          name: compiled-source-node-14
+          name: compiled-source-node-16
           path: target/src/
       - name: Semantic release
         run: npx semantic-release