ci(github-action)!: Update actions/cache action (v4 → v5)

| datasource  | package       | from | to |
| ----------- | ------------- | ---- | -- |
| github-tags | actions/cache | v4   | v5 |

Author: erhardt-consulting-bot

.github/workflows/test.yaml

@@ -22,7 +22,7 @@ jobs:
       uses: astral-sh/setup-uv@d0cc045d04ccac9d8b7881df0226f9e82c39688e # v6
 
     - name: Cache uv dependencies
-      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
+      uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5
       with:
         path: .venv
         key: ${{ runner.os }}-uv-${{ hashFiles('**/pyproject.toml') }}