chore(deps): update tunit packages to 1.12.15 (patch) #2346

Job	Run time
Build & Tests / Version Management / Detect Version	41s
Build & Tests / Commit Linter / Commitlint	16s
Build & Tests / Code Formatting / Validate Code Formatting	1m 39s
Build & Tests / Run Tests / Testing .NET solution	2m 18s
Build & Tests / Build Solution / Build .NET solution	1m 47s
	6m 41s

Provide feedback