chore: add tests for Node 16 (#163)

Author: MichaelDeBoey

.github/workflows/eslint-plugin-jest-dom.yml

@@ -13,23 +13,23 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node: [15, 14, 12, 10]
+        node: [10, 12, 14, 16]
     steps:
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - run: INIT_CWD="$(pwd)" npm install
       - run: npm run validate
       - run: npx codecov@3
   release:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
-          node-version: 12
-      - uses: actions/checkout@v1
+          node-version: 14
+      - uses: actions/checkout@v2
       - run: npm install
       - run: npm run build
       - run: ls -asl dist