Update changelog

Author: thecrypticace

packages/vscode-tailwindcss/CHANGELOG.md

@@ -8,6 +8,7 @@
 - Add support for `@custom-variant` ([#1127](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1127))
 - Add variant suggestions to `@variant` ([#1127](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1127))
 - Don't suggest at-rules when nested that cannot be used in a nested context ([#1127](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1127))
+- Make sure completions work when using prefixes in v4 ([#1129](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1129))
 
 ## 0.12.18