chore: Update npm-publish.yml workflow steps and add cache

Author: gabriel-logan

.github/workflows/npm-publish.yml

@@ -22,6 +22,7 @@ jobs:
         with:
           node-version: 20
           registry-url: https://registry.npmjs.org/
+          cache: "npm"
       - name: Install dependencies
         run: npm install
       - name: Run tests