chore: update cache configuration and adjust directory navigation in deployment workflow

Author: lcomment

.github/workflows/docs-deploy.yaml

@@ -15,13 +15,14 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: cd to docs
-        run: cd docs
-
       - uses: actions/setup-node@v4
         with:
           node-version: 18.x
           cache: npm
+          cache-dependency-path: ./docs/package-lock.json
+
+      - name: cd to docs
+        run: cd docs
 
       - name: Install dependencies
         run: npm install --silent