[Support] Use llvm::to_underlying in ScopedPrinter.h (NFC)#163088

kazutakahirata merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

kazutakahirata:cleanup_20251012_Support_ScopedPrinterkazutakahirata/llvm-project:cleanup_20251012_Support_ScopedPrinterCopy head branch name to clipboard