[clangd] Use llvm::find (NFC)#143317

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

kazutakahirata:cleanup_20250608_llvm_find_clangdkazutakahirata/llvm-project:cleanup_20250608_llvm_find_clangdCopy head branch name to clipboard