Add support for gemini-2.5-pro-preview-03-25 model (paid version of gemini 2.5 pro) (#1473)

Author: barapa

pydantic_ai_slim/pydantic_ai/models/__init__.py

@@ -107,6 +107,7 @@
         'google-gla:gemini-2.0-flash-lite-preview-02-05',
         'google-gla:gemini-2.0-pro-exp-02-05',
         'google-gla:gemini-2.5-pro-exp-03-25',
+        'google-gla:gemini-2.5-pro-preview-03-25',
         'google-vertex:gemini-1.0-pro',
         'google-vertex:gemini-1.5-flash',
         'google-vertex:gemini-1.5-flash-8b',
@@ -118,6 +119,7 @@
         'google-vertex:gemini-2.0-flash-lite-preview-02-05',
         'google-vertex:gemini-2.0-pro-exp-02-05',
         'google-vertex:gemini-2.5-pro-exp-03-25',
+        'google-vertex:gemini-2.5-pro-preview-03-25',
         'gpt-3.5-turbo',
         'gpt-3.5-turbo-0125',
         'gpt-3.5-turbo-0301',

pydantic_ai_slim/pydantic_ai/models/gemini.py

@@ -59,6 +59,7 @@
     'gemini-2.0-flash-lite-preview-02-05',
     'gemini-2.0-pro-exp-02-05',
     'gemini-2.5-pro-exp-03-25',
+    'gemini-2.5-pro-preview-03-25',
 ]
 """Latest Gemini models."""