Fix user agent version validation for evaluation SDK red teaming

Added validation in azure-ai-evaluation SDK to ensure VERSION is never empty, None, or whitespace-only. This prevents unauthorized SDK usage specifically in red teaming scenarios.

Co-authored-by: slister1001 <[email protected]>

Author: Copilot

sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_user_agent.py

@@ -5,10 +5,11 @@
 from typing import Iterator
 
 from azure.ai.evaluation._version import VERSION
-from azure.core._version_validation import validate_version
 
 # Validate that VERSION is not empty or None to prevent unauthorized SDK usage
-validate_version(VERSION)
+# This is specifically important for red teaming scenarios
+if not VERSION or not isinstance(VERSION, str) or not VERSION.strip():
+    raise ValueError("Invalid SDK version: version must be a non-empty string")
 
 
 class UserAgentSingleton: