[SPIR-V] Ensure that Module resource is managed locally wrt. a unit test case and fix a memory leak#123725

VyacheslavLevytskyy merged 2 commits intollvm:mainllvm/llvm-project:mainfrom

VyacheslavLevytskyy:fix_leak_in_unittestsVyacheslavLevytskyy/llvm-project:fix_leak_in_unittestsCopy head branch name to clipboard