Add Godot ClassDB API introspection (#553) #1167

Job	Run time
Release smoke / macos-latest	34s
Python 3.11 / ubuntu-latest	2m 1s
Release smoke / ubuntu-latest	38s
Game capture smoke / Linux	1m 1s
Game capture smoke / macOS	1m 31s
Python 3.13 / ubuntu-latest	3m 48s
Stale server smoke / Windows	1m 46s
Release smoke / windows-latest	1m 20s
Godot tests / Linux	1m 7s
Godot tests / Windows	2m 15s
Godot tests / macOS	1m 35s
Godot tests / Linux (Godot 4.3)	1m 27s
Stale server smoke / Linux	37s
Stale server smoke / macOS	34s
Game capture smoke / Windows	2m 10s
	22m 24s

Provide feedback