⬆️ UPGRADE: Allow linkify-it-py v2 (#218)

Co-authored-by: Chris Sewell <chrisj_sewell@hotmail.com>

Author: hukkin

pyproject.toml

@@ -43,7 +43,7 @@ compare = [
     "mistune~=2.0",
     "panflute~=2.3",
 ]
-linkify = ["linkify-it-py~=1.0"]
+linkify = ["linkify-it-py>=1,<3"]
 plugins = ["mdit-py-plugins"]
 rtd = [
     "attrs",