dedup art names

Author: willcl-ark

.github/workflows/test.yml

@@ -101,5 +101,6 @@ jobs:
         if: always()
         uses: actions/upload-artifact@v4
         with:
-          name: kubernetes-logs
+          name: kubernetes-logs-${{ matrix.test }}
           path: ./k8s-logs
+          retention-days: 5