Break Production Less: Introducing Codecov's Pre-release Focus

Codecov introduces Pre-release Focus, expanding beyond code coverage with Bundle Analysis, Test Analytics, and AI-Powered Code Review. JavaScript Bundle Analysis helps developers manage bundle size for better application performance. Test Analytics provides insights into test run times, failure rates, and identifies flaky tests. AI-powered Code Review aims to speed up code review cycles by identifying obvious mistakes. These features aim to improve testing practices and tooling in software development.