Fix the URL in the docs.

Author: hessjcg

docs/cmd/cloud-sql-proxy.md

@@ -218,7 +218,7 @@ Third Party Licenses
   To view all licenses for third party dependencies used within this
   distribution please see:
 
-  https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.22.1/third_party/licenses.tar.gz 
+  https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.23.0/third_party/licenses.tar.gz 
 
 
 ```