Workers - Workers Builds now posts preview URLs in seconds

<p>Workers Builds now consistently posts preview URLs to GitHub pull requests and GitLab merge requests within a few seconds of a build completing, so you can start testing and reviewing your changes sooner. Previously, posting preview URLs could often take minutes.</p> <p>For details, refer to <a href="https://developers.cloudflare.com/workers/ci-cd/builds/git-integration/github-integration/#pull-request-comment">Workers Builds GitHub integration</a> and <a href="https://developers.cloudflare.com/workers/ci-cd/builds/git-integration/gitlab-integration/#merge-request-comment">Workers Builds GitLab integration</a>.</p>