Use actions/cache@v4

Author: gbastien

.github/workflows/python-package.yml

@@ -40,7 +40,7 @@ jobs:
           mkdir -p buildout-cache/{eggs,downloads}
           pip install -r requirements.txt
       - name: Cache eggs
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-eggs
         with:
@@ -93,7 +93,7 @@ jobs:
           mkdir -p buildout-cache/{eggs,downloads}
           pip install -r requirements.txt
       - name: Cache eggs
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-eggs
         with: