fix gh action warning

Author: adam-ce

.github/workflows/deploy.yml

@@ -219,7 +219,7 @@ jobs:
 
     - name: Cache Qt WebAssembly build
       id: qt-cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: qt_wasm_lite
         key: wasm-qt-${{ env.QT_VERSION }}-${{ env.WEBASSEMBLY_VERSION }}