Update dependency @pulumi/gcp to v9

Author: pulumi-renovate[bot]

tests/ci-cluster/package.json

@@ -4,7 +4,7 @@
         "@types/node": "latest"
     },
     "dependencies": {
-        "@pulumi/gcp": "8.41.1",
+        "@pulumi/gcp": "9.1.0",
         "@pulumi/kubernetes": "4.23.0",
         "@pulumi/pulumi": "3.196.0"
     }