mainnet release v0.8.1-c

What's Changed

• chore(testnet): merge from merge/deploy/v0.8.1-testnet by @github-actions in #88
• chore: check go version in genkey script by @nxqbao in #93
• script: add script for simulate patch proposal on mainnet on shadow fork by @TuDo1403 in #94
• chore(hot-fix-fast-finality-reward-distribution): merge from release/v0.8.1-b by @github-actions in #96
• feat(hot-fix-fast-finality-reward-distribution): implement distribute-fast-finality-reward-for-delegators by @github-actions in #92
• feat(RoninValidatorSet, StakingVesting): split fast finality reward for validators and delegators by @TuDo1403 in #97
• chore(release/v0.8.1-b): merge from deploy/v0.8.1-b-testnet by @github-actions in #99
• chore: merge all features from 'release/v0.8.1-b' into 'testnet' by @TuDo1403 in #101
• chore: back-merge 'mainnet' into 'testnet' by @TuDo1403 in #104
• chore: back-merge 'testnet' into 'release/v0.8.1-b' by @TuDo1403 in #106
• script: add release-v0.8.1-b-mainnet deployment script by @TuDo1403 in #108
• chore(release/v0.8.1-b): merge from deploy/v0.8.1-b-mainnet by @github-actions in #110
• hotfix: Fast Finality Tracking incorrectly normalize candidates stake amounts by @TuDo1403 in #112
• chore(mainnet): merge from 'release/v0.8.1-b' by @TuDo1403 in #115
• script: add release-v0.8.1-c-mainnet deployment script by @TuDo1403 in #118
• script: add release-v0.8.1-c-mainnet deployment script by @TuDo1403 in #120
• chore(release/v0.8.1-c): merge from deploy/v0.8.1-c-testnet by @github-actions in #121
• chore(release/v0.8.1-c): merge from deploy/v0.8.1-c-mainnet by @github-actions in #122
• chore(mainnet): merge from 'release/v0.8.1-c' by @TuDo1403 in #124

Full Changelog: v0.8.1...v0.8.1-c-mainnet