Update the nodejs version to 14, for Firebase CLI (#962)

Author: a-maurice

.github/workflows/desktop.yml

@@ -354,10 +354,10 @@ jobs:
           if [[ "${{ job.status }}" != "success" ]]; then
             exit 1
           fi
-      - name: Set up Node (12)
+      - name: Set up Node (14)
         uses: actions/setup-node@v2
         with:
-          node-version: 12.x
+          node-version: 14.x
       - name: Setup Firestore Emulator
         run: |
           npm install -g firebase-tools

.github/workflows/integration_tests.yml

@@ -877,10 +877,10 @@ jobs:
           max_attempts: 3
           command: python scripts/gha/install_prereqs_desktop.py --gha_build --running_only --arch '${{ matrix.arch }}' --ssl '${{ matrix.ssl_variant }}'
 
-      - name: Set up Node (12)
+      - name: Set up Node (14)
         uses: actions/setup-node@v2
         with:
-          node-version: 12.x
+          node-version: 14.x
       - name: Setup Firestore Emulator
         run: |
           npm install -g firebase-tools
@@ -1131,10 +1131,10 @@ jobs:
       - id: get-device-type
         run: |
           echo "::set-output name=device_type::$( python scripts/gha/print_matrix_configuration.py -d -k ${{ matrix.android_device }} )"
-      - name: Set up Node (12)
+      - name: Set up Node (14)
         uses: actions/setup-node@v2
         with:
-          node-version: 12.x
+          node-version: 14.x
       - name: Setup Firestore Emulator
         if: steps.get-device-type.outputs.device_type == 'virtual' && contains(needs.check_and_prepare.outputs.apis, 'firestore')
         run: |
@@ -1236,10 +1236,10 @@ jobs:
       - id: get-device-type
         run: |
           echo "::set-output name=device_type::$( python scripts/gha/print_matrix_configuration.py -d -k ${{ matrix.ios_device }} )"
-      - name: Set up Node (12)
+      - name: Set up Node (14)
         uses: actions/setup-node@v2
         with:
-          node-version: 12.x
+          node-version: 14.x
       - name: Setup Firestore Emulator
         if: steps.get-device-type.outputs.device_type == 'virtual' && contains(needs.check_and_prepare.outputs.apis, 'firestore')
         run: |