ci: lint function type anotations

Author: 2mal3

pyproject.toml

@@ -36,7 +36,7 @@ target-version = "py38"
 
 [tool.ruff.lint]
 # Rules are explained here: https://docs.astral.sh/ruff/rules
-select = ["E4", "E7", "E9", "F", "C", "N", "ANN", "A", "SIM", "PL"]
+select = ["E4", "E7", "E9", "F", "C", "N", "ANN", "A", "SIM", "PL", "ANN"]
 
 [project.scripts]
 tailwindcss-extra = "pytailwindcss_extra.__main__:main"