Skip generating a partial yaml when no go modules have been modified

ci/bin/generate-go-yaml.py

@@ -123,7 +123,10 @@ def main(argv):
         if "ingest" in go_changes:
             go_changes.remove("ingest")
 
-        write_global_rule(rule=rule)
+        # Skip writing the rule if no configs will be written below to avoid building an invalid yaml
+        if go_changes:
+            write_global_rule(rule=rule)
+
         changes_rule = """changes:
             - apps/cli/executables/go/**/*"""
     else: