bump(carta-investors): 6a67756e → fdc57d65 (#4073)

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

.claude-plugin/marketplace.json

@@ -606,7 +606,7 @@
         "url": "https://github.com/carta/plugins.git",
         "path": "plugins/carta-investors",
         "ref": "main",
-        "sha": "6a67756ef25da26d6a84a5b55cbd861526ffef23"
+        "sha": "fdc57d653abf38cc0a70ddd9e4f23c273af86a7b"
       },
       "homepage": "https://carta.com"
     },