AI-assisted testing, extensions updates, and more: k6 2.0 is here

The release of k6 2.0 introduces AI-assisted testing workflows designed to integrate seamlessly with AI coding assistants like Claude and Cursor to automate and scale performance testing. Additionally, the update expands the k6 ecosystem with a consolidated extensions catalog, new subcommand capabilities, and improved Playwright compatibility for browser-based testing. These advancements aim to streamline the entire testing lifecycle within modern, AI-driven development environments.