chore(deps): update actions/cache action to v5

Author: renovate[bot]

.github/workflows/integration-tests.yml

@@ -78,7 +78,7 @@ jobs:
       run: uv sync
 
     - name: Cache Scylla download
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ~/.ccm/repository
         key: scylla-${{ env.SCYLLA_VERSION }}-${{ runner.os }}