fix(docs): update GitHub link in agent-bot documentation

Author: fassko

docs/fassets/reference/agent-bot.mdx

@@ -6,7 +6,7 @@ keywords: [fassets, xrp, bitcoin, dogecoin, flare-network]
 
 Command line reference for managing and interacting with FAssets agent bots.
 
-Sourced from `agent-bot.ts` on [GitHub](https://github.com/flare-labs-ltd/fasset-bots/blob/songbird-release/packages/fasset-bots-cli/src/cli/agent-bot.ts).
+Sourced from `agent-bot.ts` on [GitHub](https://github.com/flare-labs-ltd/fasset-bots/blob/main/packages/fasset-bots-cli/src/cli/agent-bot.ts).
 
 ## Setup