Feat: Change the old Webinar promote bar to the new one and update some eslint rules

[flavioriper]

Changes

• Added react-hooks rules to eslint
• Added tabWidth prettier rule
• Changed the Webinar component to use styled component
• Changed the Webinar label and link to the new one

Tests / Screenshots

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 645da72):

https://estuary-marketing--pr232-feat-new-webinar-aamaht39.web.app

_{(expires Thu, 18 Apr 2024 19:54:22 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

_{Sign: 76f6b095a0752e5d9c6c890267f9fdc3e392161e}