replace xgboost by lightgbm

requirements.txt

@@ -15,6 +15,7 @@ jupyterlab==4.0.8
 jupyterlab-lsp==5.0.0
 jupyterlab_code_formatter==2.2.1
 jupyterlab_widgets==3.0.9
+lightgbm==4.1.0
 matplotlib==3.8.1
 numba==0.58.1
 numexpr==2.8.7
@@ -37,7 +38,6 @@ seaborn==0.13.0
 shap==0.43.0
 statsmodels==0.14.0
 TA-Lib==0.4.28
-xgboost==2.0.1
 yellowbrick==1.5
 yfinance==0.2.31
 zipline-reloaded==3.0.3