chore: bump to eslint 9 (#1410)

.eslintrc.cjs

apps/docs/docusaurus.config.js

apps/docs/package.json

apps/docs/src/components/HomepageFeatures/index.tsx

apps/next/package.json

apps/next/src/actions/index.tsx

apps/next/src/components/ai-chat.tsx

apps/next/src/components/ui/input.tsx

apps/next/src/components/ui/textarea.tsx

apps/next/src/components/website/Text.tsx

apps/next/tailwind.config.js

eslint.config.mjs

examples/agent/helpers/extractWikipedia.ts

examples/agent/multi_document_agent.ts

examples/directory.ts

examples/mongodb/1_import.ts

examples/mongodb/2_load_and_index.ts

examples/mongodb/3_query.ts

examples/multimodal/load.ts

examples/package.json