bump(posthog): 936b2d2c → 4bdfca8c (#4274)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.claude-plugin/marketplace.json

@@ -2391,7 +2391,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/PostHog/ai-plugin.git",
-        "sha": "936b2d2c38f78a36c563f68da8df4a5f2c0c008f"
+        "sha": "4bdfca8c6d58b8c9a303374f5f93485b8d9281fa"
       },
       "homepage": "https://posthog.com/docs/model-context-protocol"
     },