docs: update registry agents (#595)

Co-authored-by: benbrandt <2111074+benbrandt@users.noreply.github.com>

Author: acp-release-bot[bot]

docs/get-started/registry.mdx

@@ -484,7 +484,7 @@ Visit [the registry repository on GitHub](https://github.com/agentclientprotocol
   >
     The open source coding agent
     <p class="text-xs mt-3">
-      <code>7.0.30</code>
+      <code>7.0.33</code>
     </p>
   </Card>
   <Card
@@ -772,7 +772,7 @@ Visit [the registry repository on GitHub](https://github.com/agentclientprotocol
   >
     ACP adapter for pi coding agent
     <p class="text-xs mt-3">
-      <code>0.0.20</code>
+      <code>0.0.21</code>
     </p>
   </Card>
   <Card