Simplify the regex used to trigger the Go github action on tags

.github/workflows/go.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches: [ "main" ]
     tags:
-      - '^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)(-((0|[1-9][0-9]*|[0-9]*[a-zA-Z-][0-9a-zA-Z-]*)(\.(0|[1-9][0-9]*|[0-9]*[a-zA-Z-][0-9a-zA-Z-]*))*))?(\+([0-9a-zA-Z-]+(\.[0-9a-zA-Z-]+)*))?$'
+      - 'v[0-9]+.[0-9]+.[0-9]+'
   pull_request:
     branches: [ "main" ]