Update changelog

Author: thecrypticace

packages/vscode-tailwindcss/CHANGELOG.md

@@ -3,6 +3,8 @@
 ## Prerelease
 
 - Display color swatches when using `before`/`after` variants ([#1374](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1374))
+- Clear trigger characters when restarting server ([#1375](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1375))
+- Don't register ability to hover, request colors, etc… more than once ([#1378](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1378))
 
 # 0.14.17