Update requirements.txt

Author: shima-r-moghaddam

trusted-ai/runtime-evaluations/real-time-guardrails/requirements.txt

@@ -10,10 +10,16 @@ ibm-cloud-sdk-core>=3.16.1
 # Data processing
 pandas>=2.2.0
 numpy>=1.26.4
+scikit-learn>=1.3.0
 
 # Configuration
 python-dotenv==1.0.0
 jproperties==2.1.1
 
 # Utilities
 requests==2.31.0
+
+# Evaluation dependencies
+jsonschema>=4.17.0
+unitxt>=1.0.0
+textstat>=0.7.3