Update deploy.yml

Author: wolfiex

.github/workflows/deploy.yml

@@ -19,7 +19,7 @@ jobs:
         python-version: 3.8  # Choose the Python version you need
 
     - name: Cache dependencies
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: |
           ~/.cache/pip