chore: update game bridge to 2.12.5 #945

Job	Run time
Test Unity 6 sample app 🛠️	4m 6s
Test sample app 🛠️	2m 31s
Build for Android	12m 18s
Build for StandaloneWindows64	3m 15s
Build for WebGL	7m 41s
Build for iOS	7m 33s
Build Unity 6 for StandaloneWindows64	4m 55s
Build Unity 6 for iOS	5m 22s
	47m 41s

Provide feedback