test(setup.cfg): Mute myst-parser deprecation warning for now

Author: tony

setup.cfg

@@ -19,6 +19,7 @@ line_length = 88
 [tool:pytest]
 filterwarnings =
     ignore:.* Use packaging.version.*:DeprecationWarning::
+    ignore:The frontend.Option(Parser)? class.*:DeprecationWarning::
 addopts = --tb=short --no-header --showlocals --doctest-docutils-modules --reruns 2 -p no:doctest
 doctest_optionflags = ELLIPSIS NORMALIZE_WHITESPACE
 testpaths =