chore: upgrade to Node 16 (#16809)

* chore: upgrade to Node 16

* add docs

* fix test

.github/workflows/bashlib.sh

@@ -55,8 +55,6 @@ npm-install() {
   cd "$GITHUB_WORKSPACE/superset-frontend"
 
   # cache-restore npm
-  say "::group::Install npm@7"
-  sudo npm i -g npm@7 --registry=https://registry.npmjs.org
   say "::group::Install npm packages"
   echo "npm: $(npm --version)"
   echo "node: $(node --version)"

.github/workflows/superset-e2e.yml

@@ -72,8 +72,7 @@ jobs:
         if: steps.check.outcome == 'failure'
         uses: ./.github/actions/cached-dependencies
         with:
-          run: |
-            apt-get-install
+          run: apt-get-install
       - name: Install python dependencies
         if: steps.check.outcome == 'failure'
         uses: ./.github/actions/cached-dependencies
@@ -85,32 +84,31 @@ jobs:
         if: steps.check.outcome == 'failure'
         uses: ./.github/actions/cached-dependencies
         with:
-          run: |
-            setup-postgres
+          run: setup-postgres
       - name: Import test data
         if: steps.check.outcome == 'failure'
         uses: ./.github/actions/cached-dependencies
         with:
-          run: |
-            testdata
+          run: testdata
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version:  '16'
       - name: Install npm dependencies
         if: steps.check.outcome == 'failure'
         uses: ./.github/actions/cached-dependencies
         with:
-          run: |
-            npm-install
+          run: npm-install
       - name: Build javascript packages
         if: steps.check.outcome == 'failure'
         uses: ./.github/actions/cached-dependencies
         with:
-          run: |
-            build-instrumented-assets
+          run: build-instrumented-assets
       - name: Install cypress
         if: steps.check.outcome == 'failure'
         uses: ./.github/actions/cached-dependencies
         with:
-          run: |
-            cypress-install
+          run: cypress-install
       - name: Run Cypress
         if: steps.check.outcome == 'failure'
         uses: ./.github/actions/cached-dependencies

.github/workflows/superset-frontend.yml

@@ -25,6 +25,10 @@ jobs:
           PR_NUMBER: ${{ github.event.pull_request.number }}
         continue-on-error: true
         run: ./scripts/ci_check_no_file_changes.sh frontend
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version:  '16'
       - name: Install dependencies
         if: steps.check.outcome == 'failure'
         uses: ./.github/actions/cached-dependencies

.github/workflows/superset-translations.yml

@@ -17,6 +17,10 @@ jobs:
         with:
           persist-credentials: false
           submodules: recursive
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version:  '16'
       - name: Install dependencies
         uses: ./.github/actions/cached-dependencies
         with: