add missing version bump

Author: KoolADE85

dash/_dash_renderer.py

@@ -1,7 +1,7 @@
 import os
 from typing import Any, List, Dict
 
-__version__ = "3.0.0-rc2"
+__version__ = "3.0.0-rc3"
 
 _available_react_versions = {"18.3.1", "18.2.0", "16.14.0"}
 _available_reactdom_versions = {"18.3.1", "18.2.0", "16.14.0"}
@@ -65,7 +65,7 @@ def _set_react_version(v_react, v_reactdom=None):
     {
         "relative_package_path": "dash-renderer/build/dash_renderer.min.js",
         "dev_package_path": "dash-renderer/build/dash_renderer.dev.js",
-        "external_url": "https://unpkg.com/[email protected]rc2"
+        "external_url": "https://unpkg.com/[email protected]rc3"
         "/build/dash_renderer.min.js",
         "namespace": "dash",
     },