Update changelog for integrations/cometapi (#2566)

Co-authored-by: vblagoje <458335+vblagoje@users.noreply.github.com>

Author: HaystackBot

integrations/cometapi/CHANGELOG.md

@@ -1,9 +1,18 @@
 # Changelog
 
-## [unreleased]
+## [integrations/cometapi-v1.1.0] - 2025-11-26
 
 ### 🚀 Features
 
 - Add CometAPI integration with CometAPIChatGenerator class and configuration (#2345)
 
+### 🧹 Chores
+
+- Update CometAPIChatGenerator default model to gpt-5-mini and remove e… (#2559)
+
+### 🌀 Miscellaneous
+
+- Add missing config file for Docusaurus sync (#2505)
+- Adopt PEP 585 type hinting (part 3) (#2510)
+
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