Use testgrid's configurator image from gcr.io registry (#521)

* Use testgrid's configurator image from gcr.io registry

* Update to staging-test-infra images

* Apply suggestions from code review

---------

Co-authored-by: Mahamed Ali <cy@borg.dev>

config/Makefile

@@ -83,7 +83,7 @@ update-testgrid-config: confirm-main
 		-v "$(GOOGLE_APPLICATION_CREDENTIALS):$(GOOGLE_APPLICATION_CREDENTIALS)" \
 		-e "GOOGLE_APPLICATION_CREDENTIALS" \
 		-w "$(PWD)" \
-		gcr.io/k8s-prow/configurator:v20220124-9887456efc \
+		gcr.io/k8s-staging-test-infra/configurator:v20240914-93a93a3da9 \
 		"--oneshot" \
 		"--output=gs://$(TESTGRID_GCS)/config" \
 		"--yaml=$(realpath $(TESTGRID_CONFIG))"

prow/jobs/custom/infra.yaml

@@ -48,7 +48,7 @@ presubmits:
     cluster: "prow-build"
     spec:
       containers:
-      - image: us-docker.pkg.dev/k8s-infra-prow/images/configurator:v20240405-c76de01869
+      - image: gcr.io/k8s-staging-test-infra/configurator:v20240914-93a93a3da9
         command:
         - configurator
         args:
@@ -373,7 +373,7 @@ postsubmits:
     spec:
       serviceAccountName: testgrid-updater
       containers:
-      - image: us-docker.pkg.dev/k8s-infra-prow/images/configurator:v20240405-c76de01869
+      - image: gcr.io/k8s-staging-test-infra/configurator:v20240914-93a93a3da9
         command:
         - configurator
         args: