Update build.yml

Author: webprofusion-chrisc

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/setup-node@v2
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}