Update requirements.txt

requirements.txt

@@ -1,5 +1,5 @@
-gradio>=5.9.1
+gradio==5.9.1
 pandas>=1.5.0
 numpy>=1.24.0
-scikit-learn>=1.3.0
-xgboost>=1.7.0
+scikit-learn==1.6.1
+xgboost==3.0.3