miss header files in PYPI package

[Freed-Wu]

Same as tree-sitter-grammars/tree-sitter-requirements#5

Perhaps need:

https://github.com/tree-sitter-grammars/tree-sitter-make/blob/main/setup.py#L42

❯ tar vxaf tree_sitter_bash-0.23.3.tar.gz
tree_sitter_bash-0.23.3/
tree_sitter_bash-0.23.3/LICENSE
tree_sitter_bash-0.23.3/PKG-INFO
tree_sitter_bash-0.23.3/README.md
tree_sitter_bash-0.23.3/bindings/
tree_sitter_bash-0.23.3/bindings/python/
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash/
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash/__init__.py
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash/__init__.pyi
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash/binding.c
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash/py.typed
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash.egg-info/
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash.egg-info/PKG-INFO
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash.egg-info/SOURCES.txt
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash.egg-info/dependency_links.txt
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash.egg-info/not-zip-safe
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash.egg-info/requires.txt
tree_sitter_bash-0.23.3/bindings/python/tree_sitter_bash.egg-info/top_level.txt
tree_sitter_bash-0.23.3/pyproject.toml
tree_sitter_bash-0.23.3/setup.cfg
tree_sitter_bash-0.23.3/setup.py
tree_sitter_bash-0.23.3/src/
tree_sitter_bash-0.23.3/src/parser.c
tree_sitter_bash-0.23.3/src/scanner.c