feat: Upgrade ESLint to modern flat config (v9)Fix/eslint modern config#2416

serayd61 wants to merge 2 commits intohirosystems:develophirosystems/stacks-blockchain-api:developfrom

serayd61:fix/eslint-modern-configserayd61/stacks-blockchain-api:fix/eslint-modern-configCopy head branch name to clipboard