bump(carta-investors): cec8bc8b → 820f497a (#5341)

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

.claude-plugin/marketplace.json

@@ -737,7 +737,7 @@
         "url": "https://github.com/carta/plugins.git",
         "path": "plugins/carta-investors",
         "ref": "main",
-        "sha": "cec8bc8b44d1637b3269ba383dbf1ad88d0d36ff"
+        "sha": "820f497ab37d4cf943bb9c35626f4627ed861c22"
       },
       "homepage": "https://carta.com"
     },