Use a hash map to dedup tags
Use a hash map to dedup tags

Co-Authored-By: Patrick Thomson <e91cb929a56f2b2a87db4c9de56f668d1d680d8d@users.noreply.github.com>

tree-sitter/tree-sitter,tree-sitter/tree-sitter,tree-sitter/tree-sitter,tree-sitter/tree-sitter,tree-sitter/tree-sitter,tree-sitter/tree-sitter,tree-sitter/tree-sitter