bump(carta-investors): 8a9e2bc0 → b89e4029 (#3928)

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

.claude-plugin/marketplace.json

@@ -605,7 +605,7 @@
         "url": "https://github.com/carta/plugins.git",
         "path": "plugins/carta-investors",
         "ref": "main",
-        "sha": "8a9e2bc08a44e53027a3b2c5bd21684138eed6e7"
+        "sha": "b89e4029f3ee1bc885d05c483a79bf6fd0de74d9"
       },
       "homepage": "https://carta.com"
     },