* fix(vertex_and_google_ai_studio_gemini.py): handle both camel case and underscores in the tool for vertex ai code execution
support vertex ai code execution
* docs(vertex.md): add code execution example to vertex ai
* fix(vertex_ai/common_utils.py): when anyof in field, just select anyof - don't include other k,v pairs - vertex throws error
Fixes https://github.com/BerriAI/litellm/issues/11164
* fix(common_utils.py): add title field inside anyof - to retain some description
Addresses https://github.com/BerriAI/litellm/issues/11164#issuecomment-2914728385