:boom: Switch to Node.js 16 and npm 8. (#4016)

.github/workflows/ci.yml

@@ -20,9 +20,9 @@ jobs:
       fail-fast: false
       matrix:
         node:
-          - "10.x"
           - "12.x"
           - "14.x"
+          - "16.x"
         os:
           - "ubuntu-latest"
           - "macos-latest"
@@ -59,6 +59,6 @@ jobs:
 
       - name: Run bundlewatch
         run: npm run bundlewatch
-        if: startsWith(matrix.os, 'ubuntu') && startsWith(matrix.node, '14')
+        if: startsWith(matrix.os, 'ubuntu') && startsWith(matrix.node, '16')
         env:
           BUNDLEWATCH_GITHUB_TOKEN: "${{ secrets.BUNDLEWATCH_GITHUB_TOKEN }}"

.github/workflows/docs.yml

@@ -11,7 +11,7 @@ on:
 
 env:
   FORCE_COLOR: 2
-  NODE: 14.x
+  NODE: 16.x
   RUBY: 2.7
 
 jobs:

.github/workflows/lint.yml

@@ -11,7 +11,7 @@ on:
 
 env:
   FORCE_COLOR: 2
-  NODE: 14.x
+  NODE: 16.x
 
 jobs:
   run: