bump(carta-investors): d73954d3 → d73a3615 (#3342)

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

.claude-plugin/marketplace.json

@@ -583,7 +583,7 @@
         "url": "https://github.com/carta/plugins.git",
         "path": "plugins/carta-investors",
         "ref": "main",
-        "sha": "d73954d3d9ce1e3fce1ec2b9ee6819922dd539e3"
+        "sha": "d73a3615864a5590ad6105df1b3e1b26324d1813"
       },
       "homepage": "https://carta.com"
     },