Bump version to 4.1-rc

Faster release cycles are proving to work fairly well, and we have a lot more
confidence label the current state as RC as we've had in the past.

Let's get to 4.1-stable quickly and reopen development!

version.py

@@ -3,7 +3,7 @@ name = "Godot Engine"
 major = 4
 minor = 1
 patch = 0
-status = "beta"
+status = "rc"
 module_config = ""
 year = 2023
 website = "https://godotengine.org"