drop support for EoL python versions (3.7 & 3.8)

Author: 2bndy5

py-binding/pyproject.toml

@@ -8,7 +8,7 @@ description = "Run clang-format and clang-tidy on a batch of files."
 readme = "README.md"
 keywords = ["clang", "clang-tools", "linter", "clang-tidy", "clang-format"]
 license = {text = "MIT License"}
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 authors = [
     { name = "Brendan Doherty", email = "[email protected]" },
     { name = "Peter Shen", email = "[email protected]" },