Add react 18.3.1 to available versions.

Author: T4rk1n

dash/_dash_renderer.py

@@ -2,8 +2,8 @@
 
 __version__ = "1.21.0"
 
-_available_react_versions = {"16.14.0", "18.2.0"}
-_available_reactdom_versions = {"16.14.0", "18.2.0"}
+_available_react_versions = {"16.14.0", "18.2.0", "18.3.1"}
+_available_reactdom_versions = {"16.14.0", "18.2.0", "18.3.1"}
 _js_dist_dependencies = []  # to be set by _set_react_version