Update changelog

Author: thecrypticace

packages/vscode-tailwindcss/CHANGELOG.md

@@ -5,6 +5,7 @@
 - Bump bundled CSS language service ([#1395](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1395))
 - Fix infinite loop when resolving completion details with recursive theme keys ([#1400](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1400))
 - Simplify completion details for more utilities ([#1397](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1397))
+- Improve project stylesheet detection ([#1401](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1401))
 
 ## 0.14.20