bump(carta-investors): 53dc8821 → 3887ef66 (#4182)

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

.claude-plugin/marketplace.json

@@ -629,7 +629,7 @@
         "url": "https://github.com/carta/plugins.git",
         "path": "plugins/carta-investors",
         "ref": "main",
-        "sha": "53dc8821d7434386577d43016c6800503f0ed4e8"
+        "sha": "3887ef66b3eba905b03e225a5e5c9459c6345755"
       },
       "homepage": "https://carta.com"
     },