Bump markdown-it-py version

Author: chrisjsewell

myst_parser/__init__.py

@@ -1,4 +1,4 @@
-__version__ = "0.8.0a2"
+__version__ = "0.8.0a3"
 
 
 def setup(app):

setup.py

@@ -36,7 +36,7 @@
     ],
     keywords="markdown lexer parser development docutils sphinx",
     python_requires=">=3.6",
-    install_requires=["markdown-it-py~=0.4.2"],
+    install_requires=["markdown-it-py~=0.4.3"],
     extras_require={
         "sphinx": ["pyyaml", "docutils>=0.15", "sphinx>=2,<3"],
         "code_style": ["flake8<3.8.0,>=3.7.0", "black", "pre-commit==1.17.0"],