Setup latest node in doc build ci

This updates the doc build part of ci to install the latest version
of node rather than relying on whatever version happens to be around.

This also adds caching to the make-docs workflow action.

Author: JordonPhillips

.github/workflows/ci.yml

@@ -73,6 +73,13 @@ jobs:
       with:
         python-version: '3.x'
 
+    - name: Setup Node
+      uses: actions/setup-node@v6
+      with:
+        node-version: latest
+        cache: npm
+        cache-dependency-path: "docs/landing-page/package-lock.json"
+
     - name: Install doc dependencies
       run: cd docs && make install
 

.github/workflows/make-docs.yml

@@ -40,6 +40,8 @@ jobs:
       uses: actions/setup-node@v6
       with:
         node-version: latest
+        cache: npm
+        cache-dependency-path: "docs/landing-page/package-lock.json"
 
     - name: Build JavaDocs
       # run if 'javadocs' is not set to false