Update to correct date (cloudflare#23873)

Author: yomna-shousha

src/content/changelog/workers/2025-07-23-workers-preview-urls.mdx

@@ -3,7 +3,7 @@ title: Test out code changes before shipping with per-branch preview deployments
 description: Get shareable preview links for every code change you make to a Cloudflare Worker, making it easier to test and collaborate before going live
 products:
   - workers
-date: 2025-07-23T01:00:00Z
+date: 2025-07-22T01:00:00Z
 ---
 
 Now, when you connect your Cloudflare Worker to a git repository on GitHub or GitLab, each branch of your repository has its own stable preview URL, that you can use to preview code changes before merging the pull request and deploying to production.