chore: update networkVersion to 2 in configuration file

Bumped the networkVersion from 1 to 2 to indicate breaking changes. This ensures clients are aware of the need to update for compatibility.

Author: tegefaulkes

src/config.ts

@@ -33,7 +33,7 @@ const config = {
    * It is only incremented on breaking changes
    * Use this to know if you must upgrade your service client
    */
-  networkVersion: 1,
+  networkVersion: 2,
   /**
    * Default provider configuration
    * These are managed by Matrix AI and Polykey developers