Use npm install instead of npm ci on Node.js 14

Author: igoradamenko

.github/workflows/node.js.yml

@@ -24,7 +24,11 @@ jobs:
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
-    - run: npm ci
+    # npm of 14.x is not compatible with lockfileVersion 3, that's why we use `install` here instead of `ci`
+    - if: matrix.node-version == '14.x'
+      run: npm install
+    - if: matrix.node-version != '14.x'
+      run: npm ci
     - run: npm run build --if-present
     - run: npm run lint
     - run: npm test