fs2

Merge pull request #3437 from Hombre-x/concurrency-docs

Merge pull request #3438 from typelevel/update/flake-lock

Merge pull request #3441 from typelevel/update/cats-core-2.11.0

Merge pull request #3439 from typelevel/update/munit-cats-effect-2.0.0

Update cats-core, cats-laws to 2.11.0