docs: update version inside module plugin automatically (#5341)

Author: ldez

docs/src/docs/plugins/module-plugins.mdx

@@ -18,7 +18,7 @@ Requirements:
 ### Configuration Example
 
 ```yaml title=.custom-gcl.yml
-version: v1.57.0
+version: {.LatestVersion}
 plugins:
   # a plugin from a Go proxy
   - module: 'github.com/golangci/plugin1'