Upgrade actions/cache version

Author: maudetes

.github/workflows/deploy.yml

@@ -15,7 +15,7 @@ jobs:
         python-version: '3.12'
 
     - name: Cache pip
-      uses: actions/cache@v1
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}