bump(langfuse-observability): 5b3d4323 → c427cdfc (#5400)

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

.claude-plugin/marketplace.json

@@ -1922,7 +1922,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/langfuse/claude-observability-plugin.git",
-        "sha": "5b3d4323c49f3839545fad36883ed02420ebc0ba"
+        "sha": "c427cdfc92e548f70622c12778b35dd283be3deb"
       },
       "homepage": "https://langfuse.com/integrations/other/claude-code"
     },