ci: add npm cache

Author: robsonnatanael

.github/workflows/deploy-docs.yml

@@ -16,6 +16,8 @@ jobs:
         uses: actions/setup-node@v3
         with: 
           node-version: 18
+          cache: 'npm'
+          cache-dependency-path: '**/package-lock.json'
 
       - run: npm ci