Replace node v15 with node v16 in CI

Author: raymond-lam

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/[email protected]
       - uses: actions/setup-node@v2
         with:
-          node-version: 15
+          node-version: 16
       - run: npm ci
       - run: npm run-s test:lint
   prettier:
@@ -27,7 +27,7 @@ jobs:
       - uses: actions/[email protected]
       - uses: actions/setup-node@v2
         with:
-          node-version: 15
+          node-version: 16
       - run: npm ci
       - run: npm run-s test:prettier
   flow:
@@ -37,7 +37,7 @@ jobs:
       - uses: actions/[email protected]
       - uses: actions/setup-node@v2
         with:
-          node-version: 15
+          node-version: 16
       - run: npm ci
       - run: npm run-s test:flow
   test:
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/[email protected]
       - uses: actions/setup-node@v2
         with:
-          node-version: 15
+          node-version: 16
       - run: npm ci
       - run: npm run-s test:unit
       - uses: coverallsapp/[email protected]
@@ -62,7 +62,7 @@ jobs:
           - 10
           - 12
           - 14
-          - 15
+          - 16
         os:
           - macos-latest
           - ubuntu-latest
@@ -91,7 +91,7 @@ jobs:
       - uses: actions/[email protected]
       - uses: actions/setup-node@v2
         with:
-          node-version: 15
+          node-version: 16
       - run: npm ci
       - run: npm run-s build
       - run: npm install --prefix example
@@ -117,7 +117,7 @@ jobs:
       - uses: actions/setup-node@v2
         with:
           registry-url: https://registry.npmjs.org/
-          node-version: 15
+          node-version: 16
       - run: npm ci
       - run: npm run-s build
       - run: npm publish --access public