Update CHANGELOG for v2023.9.0-preview

Author: andyleejordan

CHANGELOG.md

@@ -1,5 +1,24 @@
 # PowerShell Extension Release History
 
+## v2023.9.0-preview
+### Wednesday, August 09, 2023
+
+#### [vscode-powershell](https://github.com/PowerShell/vscode-powershell)
+
+- 🐛 🔧 [vscode-powershell #4557](https://github.com/PowerShell/vscode-powershell/pull/4687) - Support `~`, `./` and named workspace folders in `cwd`.
+- ✨ 🔧 [vscode-powershell #4686](https://github.com/PowerShell/vscode-powershell/pull/4686) - Enhance `additionalPowerShellExes` setting.
+- #️⃣ 🙏 [vscode-powershell #4684](https://github.com/PowerShell/vscode-powershell/pull/4684) - Remove LinkEditorServices comment in development.md. (Thanks @fflaten!)
+- #️⃣ 🙏 [vscode-powershell #4676](https://github.com/PowerShell/vscode-powershell/pull/4676) - Move ESLint Dependabot group to npm. (Thanks @fflaten!)
+- #️⃣ 🙏 [vscode-powershell #4667](https://github.com/PowerShell/vscode-powershell/pull/4667) - Bump ESLint packages to v6.
+- #️⃣ 🙏 [vscode-powershell #4661](https://github.com/PowerShell/vscode-powershell/pull/4661) - Update readme.
+- 🐛 👷 [vscode-powershell #4651](https://github.com/PowerShell/vscode-powershell/pull/4651) - Fix unit test for Windows running on arm64.
+- ✨ 👷 [vscode-powershell #4641](https://github.com/PowerShell/vscode-powershell/pull/4641) - Update VS Code engine to 1.79.0.
+- ✨ 🔧 [vscode-powershell #4181](https://github.com/PowerShell/vscode-powershell/pull/4639) - Add `startLocation` setting for Extension Terminal. (Thanks @krishankanumuri!)
+
+#### [PowerShellEditorServices](https://github.com/PowerShell/PowerShellEditorServices) v3.9.0
+
+- ✨ 📟 [PowerShellEditorServices #2046](https://github.com/PowerShell/PowerShellEditorServices/pull/2046) - Bump PSReadLine to beta for extension preview.
+
 ## v2023.6.0
 ### Tuesday, June 06, 2023