Fix registry for prometheus-to-sd

Author: bskiba

test/utils/image/manifest.go

@@ -237,7 +237,7 @@ func initImageConfigs() map[int]Config {
 	configs[Pause] = Config{gcRegistry, "pause", "3.1"}
 	configs[Perl] = Config{dockerLibraryRegistry, "perl", "5.26"}
 	configs[PrometheusDummyExporter] = Config{gcRegistry, "prometheus-dummy-exporter", "v0.1.0"}
-	configs[PrometheusToSd] = Config{e2eRegistry, "prometheus-to-sd", "v0.5.0"}
+	configs[PrometheusToSd] = Config{gcRegistry, "prometheus-to-sd", "v0.5.0"}
 	configs[Redis] = Config{dockerLibraryRegistry, "redis", "5.0.5-alpine"}
 	configs[ResourceConsumer] = Config{e2eRegistry, "resource-consumer", "1.5"}
 	configs[ResourceController] = Config{e2eRegistry, "resource-consumer-controller", "1.0"}