Fix builder updater (#2774)

Signed-off-by: Matej Vašek <mvasek@redhat.com>

.github/workflows/update-builder.yaml

@@ -2,7 +2,7 @@ name: Update builder-jammy-full image
 
 on:
   schedule:
-    - cron: '0 */4 * * *'
+    - cron: '0 * * * *'
 
 jobs:
   build-and-push-image:

hack/cmd/update-builder/main.go

@@ -833,7 +833,7 @@ func fixupGoBuildpackARM64(ctx context.Context, config *builder.Config) error {
 	)
 	for i, moduleConfig := range config.Buildpacks {
 		uri := moduleConfig.ImageOrURI.URI
-		if strings.Contains(uri, "paketo-buildpacks/go:") {
+		if strings.Contains(uri, "buildpacks/go:") {
 			goBuildpackIndex = i
 			goBuildpackVersion = uri[strings.LastIndex(uri, ":")+1:]
 			break