👷 upgrade actions/cache from v4 to v5 in CI configuration

Author: techouse

.github/workflows/test.yml

@@ -71,7 +71,7 @@ jobs:
         with:
           python-version: ${{ matrix.py }}
           cache: "pip"
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-1