feat: update module for networksecurity

Author: blakeli0

generation_config.yaml

@@ -1885,10 +1885,11 @@ libraries:
   - proto_path: google/cloud/networkmanagement/v1beta1
 - api_shortname: networksecurity
   name_pretty: Network Security API
-  product_documentation: https://cloud.google.com/traffic-director/docs/reference/network-security/rest
-  api_description: n/a
+  product_documentation: https://cloud.google.com/products/networking
+  api_description: The Network Security API provides resources for configuring and managing network security.
   library_name: network-security
   release_level: stable
+  googleapis_commitish: 29c6482ccb75b302c33665d8c7d7a38d3698be53
   GAPICs:
   - proto_path: google/cloud/networksecurity/v1
   - proto_path: google/cloud/networksecurity/v1beta1