Migrate to ESLint 9 flat config format#424

MishaKav with Copilot wants to merge 6 commits into

dependabot/npm_and_yarn/eslint-9.39.1linear-b/gitstream-github-action:dependabot/npm_and_yarn/eslint-9.39.1from

copilot/sub-pr-423linear-b/gitstream-github-action:copilot/sub-pr-423Copy head branch name to clipboard