Merge pull request typelevel#4477 from mox692/fix/unnecessary_syntax_…

…allocation

Fix unnecessary syntax allocation

Merge pull request typelevel#4311 from timo-schmid/doctests-optiont

Add more DocTests for `OptionT`

Merge pull request typelevel#4237 from armanbilge/topic/new-developers

Add new maintainers to developer list

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