Zakariya Abugrin

**Describe the bug** The grammar checker is not able to spot this common error in English writing where present simple is used with past verbs in the same sentence when...

replace myst_parser by myst-parser in doc/requirements.txt

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### Context in the doc/requirements.txt, replace myst_parser (module name) with myst-parser (library name in pypi) (pip install myst-parser). ### Proposal _No response_ ### Tasks and updates _No response_