Use Node 12.15 on all Insiders and Release GitHub Actions jobs (microsoft#14642)

Author: joyceerhl

.github/workflows/insiders.yml

@@ -61,6 +61,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Use Node ${{env.NODE_VERSION}}
+        uses: actions/setup-node@v2.1.2
+        with:
+          node-version: ${{env.NODE_VERSION}}
+
       - name: Install dependencies (npm ci)
         run: npm ci --prefer-offline
 
@@ -124,6 +129,11 @@ jobs:
         with:
           path: ${{env.special-working-directory-relative}}
 
+      - name: Use Node ${{env.NODE_VERSION}}
+        uses: actions/setup-node@v2.1.2
+        with:
+          node-version: ${{env.NODE_VERSION}}
+
       - name: Install dependencies (npm ci)
         run: npm ci
 
@@ -325,6 +335,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Use Node ${{env.NODE_VERSION}}
+        uses: actions/setup-node@v2.1.2
+        with:
+          node-version: ${{env.NODE_VERSION}}
+
       - name: Use Python ${{matrix.python}}
         uses: actions/setup-python@v2
         with:
@@ -396,6 +411,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Use Node ${{env.NODE_VERSION}}
+        uses: actions/setup-node@v2.1.2
+        with:
+          node-version: ${{env.NODE_VERSION}}
+
       - name: Use Python ${{matrix.python}}
         uses: actions/setup-python@v2
         with:

.github/workflows/release.yml

@@ -65,6 +65,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Use Node ${{env.NODE_VERSION}}
+        uses: actions/setup-node@v2.1.2
+        with:
+          node-version: ${{env.NODE_VERSION}}
+
       - name: Install dependencies (npm ci)
         run: npm ci --prefer-offline
 
@@ -111,6 +116,11 @@ jobs:
         with:
           path: ${{env.special-working-directory-relative}}
 
+      - name: Use Node ${{env.NODE_VERSION}}
+        uses: actions/setup-node@v2.1.2
+        with:
+          node-version: ${{env.NODE_VERSION}}
+
       - name: Install dependencies (npm ci)
         run: npm ci
 
@@ -302,6 +312,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Use Node ${{env.NODE_VERSION}}
+        uses: actions/setup-node@v2.1.2
+        with:
+          node-version: ${{env.NODE_VERSION}}
+
       - name: Use Python ${{matrix.python}}
         uses: actions/setup-python@v2
         with:
@@ -373,6 +388,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Use Node ${{env.NODE_VERSION}}
+        uses: actions/setup-node@v2.1.2
+        with:
+          node-version: ${{env.NODE_VERSION}}
+
       - name: Use Python ${{matrix.python}}
         uses: actions/setup-python@v2
         with: