bump(carta-investors): 732981ca → c39482a4 (#2516)

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

.claude-plugin/marketplace.json

@@ -534,7 +534,7 @@
         "url": "https://github.com/carta/plugins.git",
         "path": "plugins/carta-investors",
         "ref": "main",
-        "sha": "732981ca21f33de54e4d0ec3ef7e465e2e8577e4"
+        "sha": "c39482a45c1e4c02922fe5cef3d61fb010a0b2d9"
       },
       "homepage": "https://carta.com"
     },