Add mainnet banff activation timestamp (ava-labs#1061)

params: remove banff isForkCompatible check (ava-labs#1058)

Banff post (ava-labs#1055)

* Add banff post

* nit

* Cleanup

* Add Banff Post timestamp

params: fix checkCompatible to compare new upgrades against last acce… (

ava-labs#1053)

* params: fix checkCompatible to compare new upgrades against last accepted block instead of head block

* Fix comment

bump version for banff release (ava-labs#1051)

* bump version for banff release

* bump versions.sh

add banff fuji timestamp (ava-labs#1049)

Update version to v0.10.1 (ava-labs#1050)

update releases.md (ava-labs#1043)

Add failure reason to bad block API (ava-labs#1031)

* Add failure reason to bad block API

* Improve bad block API result and duplicate the API under internal blockchain API

* core: change return type from interface to exported BadBlockReason

* Update type

* remove duplicate code (ava-labs#1039)

* remove duplicate code

* Update internal/ethapi/api.go

Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com>

Co-authored-by: Ceyhun Onur <ceyhun.onur@avalabs.org>

Bump version to v0.10.0 (ava-labs#1032)