Update CHANGELOG for v3.5.2

Author: andyleejordan

CHANGELOG.md

@@ -1,5 +1,13 @@
 # PowerShell Editor Services Release History
 
+## v3.5.2
+### Tuesday, September 27, 2022
+
+- 🐛 🛫 [vscode-powershell #4048](https://github.com/PowerShell/PowerShellEditorServices/pull/1918) - Created a nested PowerShell for the top-level loop.
+- #️⃣ 🙏 [PowerShellEditorServices #1917](https://github.com/PowerShell/PowerShellEditorServices/pull/1917) - Overhaul workspace search for symbol references.
+- ✨ 🚨 [PowerShellEditorServices #1914](https://github.com/PowerShell/PowerShellEditorServices/pull/1914) - Add regression tests for F5 and F8 saving to history.
+- ✨ 🙏 [PowerShellEditorServices #1900](https://github.com/PowerShell/PowerShellEditorServices/pull/1900) - Add setting to control references code lens.
+
 ## v3.5.1
 ### Thursday, August 25, 2022