Fix up "Use symbolic GitHub Actions Node.js versions (#49403)" (#49420)

* Fix up "Use symbolic GitHub Actions Node.js versions (#49403)"

* Use npm v6 to update package-lock.json

Author: jablko

.github/workflows/nightly.yaml

@@ -16,6 +16,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-node@v3
+      with:
+        # Use NODE_AUTH_TOKEN environment variable to authenticate to this registry.
+        registry-url: https://registry.npmjs.org/
     - name: Setup and publish nightly
       run: |
         npm whoami
@@ -26,4 +29,4 @@ jobs:
         gulp clean
         npm publish --tag next
       env:
-        NPM_TOKEN: ${{secrets.npm_token}}
+        NODE_AUTH_TOKEN: ${{secrets.npm_token}}

.github/workflows/update-package-lock.yaml

@@ -15,12 +15,14 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-node@v3
+      with:
+        node-version: 14
 
     - name: Configure git and update package-lock.json
       run: |
         git config user.email "typescriptbot@microsoft.com"
         git config user.name "TypeScript Bot"
-        npm install --package-lock-only
+        npm install --package-lock-only --ignore-scripts
         git add -f package-lock.json
         if git commit -m "Update package-lock.json"; then
           git push