Update changelog for integrations/google_ai (#2113)

Co-authored-by: anakin87 <44616784+anakin87@users.noreply.github.com>

Author: HaystackBot

integrations/google_ai/CHANGELOG.md

@@ -1,12 +1,15 @@
 # Changelog
 
-## [integrations/google_ai-v5.2.1] - 2025-05-28
+## [integrations/google_ai-v5.4.0] - 2025-07-28
 
-### 🌀 Miscellaneous
 
-- Add pins for Google AI (#1828)
+### 🧹 Chores
 
-## [integrations/google_ai-v5.2.0] - 2025-05-27
+- Align core-integrations Hatch scripts (#1898)
+- Remove black (#1985)
+- Google AI - suggest users to switch to Google GenAI (#2106)
+
+## [integrations/google_ai-v5.2.1] - 2025-05-28
 
 ### 🚀 Features
 
@@ -16,6 +19,7 @@
 
 - Update serialization/deserialization tests to add new parameter `connection_type_validation` (#1464)
 
+
 ### 🧪 Testing
 
 - Change model from unsupported gemini-pro to gemini-1.5-pro (#1436)
@@ -36,6 +40,7 @@
 - Chore: remove `jsonschema` dependency from `default` environment (#1368)
 - Test: Update tests to check for `outputs_to_string` in Tool when running haystack-ai>=2.12 (#1585)
 - Ci: Update to `GoogleAIGeminiGenerator` tests (#1648)
+- Add pins for Google AI (#1828)
 
 ## [integrations/google_ai-v5.1.0] - 2025-01-30