perf: optimize `groupTargetsByDirectoryTree` with trie-based algorithm#167

sapphi-red merged 2 commits intomainsapphi-red/vite-plugin-static-copy:mainfrom

perf/group-targets-by-dir-tree-use-triesapphi-red/vite-plugin-static-copy:perf/group-targets-by-dir-tree-use-trieCopy head branch name to clipboard