chore(changelog): auto-add entry for PR #5266 — chore(docs): cut v3 site over to Cloudflare Pages

Author: github-actions[bot]

v3/UNRELEASED_CHANGELOG.md

@@ -29,6 +29,7 @@ After processing, the content will be moved to the main changelog and this file
 
 ## Removed
 <!-- Features removed in this release -->
+- Delete v3-alpha documentation deployment workflow and CNAME record in [PR](https://github.com/wailsapp/wails/pull/5266) by @leaanthony
 
 ## Security
 <!-- Security-related changes -->