feat: add Std.TreeSet.diff, Std.TreeSet.subset, SSet.subset, NameSet.diff, NameSet.subset, NameSSet.subset, SMap.any, SMap.all, SMap.subset

[srghma]

This PR add Std.TreeSet.diff, Std.TreeSet.subset, SSet.subset, NameSet.diff, NameSet.subset, NameSSet.subset, SMap.any, SMap.all, SMap.subset.

Required for chasenorman/CanonicalLean#23

[leanprover-community-bot]

Mathlib CI status (docs):

• ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase a4f6f391fe27ff9a776aaf5f481b18a21e39e358 --onto d826474b14c44bad6b765c866dd4aa27307ad995. You can force Mathlib CI using the force-mathlib-ci label. (2025-09-03 04:31:42)

[leanprover-bot]

Reference manual CI status:

• ❗ Reference manual CI will not be attempted unless your PR branches off the nightly-with-manual branch. Try git rebase a4f6f391fe27ff9a776aaf5f481b18a21e39e358 --onto d3dda9f6d4428a906c096067ecb75e432afc4615. You can force reference manual CI using the force-manual-ci label. (2025-09-03 04:31:43)

[fNBU]

@srghma I think the correct label that needs to be added is changelog-language. I can't add it for you.

[srghma]

changelog-language

[srghma]

awaiting-review