Upgrade to actions/cache v4

Author: mdio

.github/workflows/build.yml

@@ -26,7 +26,7 @@ jobs:
         node-version: ${{ env.NODE_VERSION }}
 
     - name: Cache node_modules
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       id: cache-nodemodules
       with:
         path: node_modules
@@ -59,7 +59,7 @@ jobs:
           node-version: ${{ env.NODE_VERSION }}
 
       - name: Cache node_modules
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         id: cache-nodemodules
         with:
           path: node_modules