Merge pull request #1454 from PowerShell/release/v2.4.0-preview.1

Update CHANGELOG for v2.4.0-preview.1

Author: andyleejordan

CHANGELOG.md

@@ -1,5 +1,14 @@
 # PowerShell Editor Services Release History
 
+## v2.4.0-preview.1
+### Friday, April 02, 2021
+
+- 🧠✨ [PowerShellEditorServices #1176](https://github.com/PowerShell/PowerShellEditorServices/pull/1427) - Add '$' as trigger character for completion. (Thanks @MartinGC94!)
+- 👷🚨✨ [PowerShellEditorServices #1426](https://github.com/PowerShell/PowerShellEditorServices/pull/1426) - Bump CI images and enable tests on Apple M1.
+- ✨ [PowerShellEditorServices #1424](https://github.com/PowerShell/PowerShellEditorServices/pull/1424) - Update to use OmniSharp 0.19.0.
+- #️⃣ 🙏 [PowerShellEditorServices #1418](https://github.com/PowerShell/PowerShellEditorServices/pull/1418) - Update CHANGELOG for v2.3.0.
+- #️⃣ 🙏 [vscode-powershell #3180](https://github.com/PowerShell/PowerShellEditorServices/pull/1411) - Fix New-EditorFile failing when no Editor window open. (Thanks @corbob!)
+
 ## v2.3.0
 ### Wednesday, February 24, 2021