bump(convex): 67e8e750 → b11a1bf5 (#4130)

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

.claude-plugin/marketplace.json

@@ -927,7 +927,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/get-convex/convex-backend-skill.git",
-        "sha": "67e8e750da9eba62f5e81d087d1d5b6e1cd12c7c"
+        "sha": "b11a1bf5ea62bd173af8f60813916393f1179da8"
       },
       "homepage": "https://github.com/get-convex/convex-backend-skill",
       "keywords": [