Update requirements.txt

Signed-off-by: AllData创始人 <m13602574132@163.com>

document/source/requirements.txt

@@ -3,3 +3,4 @@ urllib3==1.26.15
 sphinx==5.3.0
 sphinx_rtd_theme==1.1.1
 readthedocs-sphinx-search==0.1.1
+myst-parser==2.0.0