build(deps): update myst-parser requirement from <4.0.0,>=1.0.0 to >=…

…1.0.0,<5.0.0 (#360)

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_requirements/docs.txt

@@ -1,5 +1,5 @@
 sphinx >5.0, <7.0
-myst-parser >=1.0.0, <4.0.0
+myst-parser >=1.0.0, <5.0.0
 nbsphinx >=0.8.5, <0.10
 pandoc >=1.0, <2.5
 #docutils >=0.16