* fix#6287 sending multiple transactions from an account make nonce sequence stuck
* add change log
* fix ante unit test after #6287 fix
* Update x/auth/ante/sigverify.go
Co-authored-by: Alessio Treglia <alessio@tendermint.com>
Co-authored-by: Alessio Treglia <quadrispro@ubuntu.com>
Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>