Update theme (#7050)

* Theme updates

- Remove fingerprinting of cache files
- Use linkTitle for navigation links to docs
- Pause Algolia analytics
- Bugfix for flickering in Explore Docs menu
- Update NPM dependencies
- Hide deprecated guides in Explore Docs menu

* Adopt environment variable for Node version in GitHub Actions

* Update NPM dependencies

Author: nmelehan

.github/workflows/build-production-site.yaml

@@ -133,7 +133,7 @@ jobs:
     - name: 8. Install Node.js
       uses: actions/setup-node@v3
       with:
-        node-version: 14
+        node-version: ${{ vars.NODE_VERSION }}
 
     - name: 9. Install dependencies (Node)
       working-directory: ./docs-repo

.github/workflows/build-staging-site.yaml

@@ -133,7 +133,7 @@ jobs:
     - name: 8. Install Node.js
       uses: actions/setup-node@v3
       with:
-        node-version: 14
+        node-version: ${{ vars.NODE_VERSION }}
 
     - name: 9. Install dependencies (Node)
       working-directory: ./docs-repo

.github/workflows/build-testing-site.yaml

@@ -134,7 +134,7 @@ jobs:
     - name: 8. Install Node.js
       uses: actions/setup-node@v3
       with:
-        node-version: 14
+        node-version: ${{ vars.NODE_VERSION }}
 
     - name: 9. Install dependencies (Node)
       working-directory: ./docs-repo

.github/workflows/cache-images.yaml

@@ -35,6 +35,11 @@ jobs:
         continue-on-error: true
         run: ls -al ${{ vars.HUGO_IMAGE_CACHE_PATH }}
 
+      - name: 8. Install Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ vars.NODE_VERSION }}
+
       - name: Install dependencies (Node)
         working-directory: ./docs-repo
         run: npm ci