Update CI

Removed node 10 and 12
Matrix build with node 16

.github/workflows/ci.yml

@@ -15,10 +15,9 @@ jobs:
     strategy:
       matrix:
         node-version:
-          - 10.x
-          - 12.x
           - 14.x
           - 15.x
+          - 16.x
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
@@ -29,7 +28,7 @@ jobs:
       - run: npm run build
       - run: npm run bundlesize
       - name: Save build
-        if: matrix.node-version == '14.x'
+        if: matrix.node-version == '16.x'
         uses: actions/upload-artifact@v2
         with:
           name: build
@@ -61,7 +60,7 @@ jobs:
           name: build
       - uses: actions/setup-node@v1
         with:
-          node-version: 14.x
+          node-version: 16.x
       - uses: rlespinasse/github-slug-action@v3.x
       - name: Append commit hash to package version
         run: 'sed -i -E "s/(\"version\": *\"[^\"]+)/\1-${GITHUB_SHA_SHORT}/" package.json'