chore!: remove support for node 10 and 15

Author: opatiny

.github/workflows/nodejs.yml

@@ -10,9 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2-beta
+      - uses: actions/setup-node@v2
         with:
-          node-version: 14.x
+          node-version: 16.x
       - name: Install dependencies
         run: npm install
       - name: Run ESLint
@@ -23,16 +23,16 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x, 15.x]
+        node-version: [12.x, 14.x, 16.x]
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v2-beta
+        uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
       - name: Install dependencies
         run: npm install
       - name: Run tests
         run: npm run test-coverage
       - name: Send coverage report to Codecov
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v2