chore(*): switch to lean 3.7.1c (#2106)
* fix(deprecated/group): remove dangerous instances
* Update Lean version to nightly.
* Remove composition instances for group homomorphisms.
* Remove dangerous is_submonoid instances.
* Flip instance arguments.
* Various Lean 3.7 fixes.
* Correctly use lemma.
* Use new elan 0.8.0 lean version name.
* Remove dangerous *.comp instances.
* Fix comp instance fallout.
* Fix more *.comp fallout
* Fix more *.comp fallout.
* More *.comp fallout.
* Fix *.comp fallout
* Fix *.comp fallout
* Port to has_attribute and copy_attribute changes.
* Fix monad_writer_adapter_trans instance.
* Revert 3.6 hacks.
* Update library note for *.comp morphisms.
* fix(scripts/deploy_docs.sh): use lean_version from mathlib leanpkg.toml
* Do not mention is_mul_hom.mul in library note.
* Update lean version to 3.7.0.
* Remove of_tactic'
* switch to 3.7.1c
Co-authored-by: Bryan Gin-ge Chen <bryangingechen@gmail.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>