chore: [node] add auto-approve templates, and install dependencies with engines-strict (#1970)

chore: add auto-approve templates, and install dependencies with engines-strict

Author: sofisl

synthtool/gcp/templates/node_library/.github/auto-approve.yml

@@ -1,3 +1,4 @@
 processes:
   - "NodeDependency"
-  - "OwlBotTemplateChanges"
+  - "OwlBotTemplateChangesNode"
+  - "OwlBotPRsNode"

synthtool/gcp/templates/node_library/.github/workflows/ci.yaml

@@ -22,7 +22,7 @@ jobs:
       - run: npm install --production --engine-strict --ignore-scripts --no-package-lock
       # Clean up the production install, before installing dev/production:
       - run: rm -rf node_modules
-      - run: npm install
+      - run: npm install --engine-strict
       - run: npm test
         env:
           MOCHA_THROW_DEPRECATION: false
@@ -33,7 +33,7 @@ jobs:
       - uses: actions/setup-node@v3
         with:
           node-version: 14
-      - run: npm install
+      - run: npm install --engine-strict
       - run: npm test
         env:
           MOCHA_THROW_DEPRECATION: false