Revert "Update metadata.yaml"

This reverts commit 078220e.

Author: krprabhat-eng

modules/private-service-connect-producer/metadata.yaml

@@ -25,7 +25,7 @@ spec:
       repo: https://github.com/terraform-google-modules/terraform-google-network.git
       sourceType: git
       dir: /modules/private-service-connect-producer
-    version: 0.1.0
+    version: 15.1.0
     actuationTool:
       flavor: Terraform
       version: ">= 1.5"