chore: update CHANGELOG

Contributed on behalf of STMicroelectronics

Signed-off-by: Olaf Lessenich <[email protected]>

CHANGELOG.md

@@ -4,6 +4,12 @@
 
 - [Previous Changelogs](https://github.com/eclipse-theia/theia/tree/master/doc/changelogs/)
 
+## v1.45.0
+
+<a name="breaking_changes_1.43.0">[Breaking Changes:](#breaking_changes_1.45.0)</a>
+
+- [plugin] handling of vscode extension locations has changed: deployment dir switched to `$CONFDIR/deployedPlugin`, `.vsix` files from `$CONFDIR/extensions` are deployed automatically [#13178](https://github.com/eclipse-theia/theia/pull/13178) - Contributed on behalf of STMicroelectronics
+
 ## v1.44.0 - 11/30/2023
 
 - [application-manager] added option to copy `trash` dependency to the bundle [#13112](https://github.com/eclipse-theia/theia/pull/13112)