Require Python 3.10.

Author: adamghill

pyproject.toml

@@ -7,7 +7,7 @@ version = "0.19.0"
 description = "Add more bracket angles to Django templates </>"
 readme = "README.md"
 license = {file = "LICENSE"}
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 keywords = [
   "django",
   "html",