chore: Loosen fsspec requirements to allow recent releases (#3922)

* chore: Loosen fsspec requirements to allow recent releases

(I'm not sure the project has a super consistent pattern for when to
specify a maximum version, but was going for the smallest possible
change.)

Signed-off-by: Chris Burroughs <[email protected]>

* drop redundant fsspec now that this is in another extra

Signed-off-by: Chris Burroughs <[email protected]>

* post rebase regen

Signed-off-by: Chris Burroughs <[email protected]>

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Signed-off-by: Chris Burroughs <[email protected]>