Add CHANGELOG entry

Author: mediremi

CHANGELOG.md

@@ -19,6 +19,8 @@
 
 #### :bug: Bug fix
 
+- Fix: Dont create empty diagnostic messages. https://github.com/rescript-lang/rescript-vscode/pull/1114
+
 - Fix: `rescript-editor-analysis.exe semanticTokens` sometimes returned invalid JSON, which affected syntax highlighting. https://github.com/rescript-lang/rescript-vscode/pull/1113
 
  - Fix: hang in `rescript-editor-analysis.exe codeAction` that sometimes prevented ReScript files from being saved in VS Code. https://github.com/rescript-lang/rescript-vscode/pull/1112