[MNT] remove conflicting dependencies from all_extras (#625)

It seems `pyarrow` and `xgboostlss` in `all_extras` is causing some
dependency resolution error on python 3.11. This PR removes
aforementioned dependencies from `all_extras` for diagnosis, and as a
possible solution.

Author: fkiraly

pyproject.toml

@@ -56,10 +56,8 @@ all_extras = [
     "matplotlib>=3.3.2",
     "ngboost<0.6.0; python_version < '3.13'",
     "polars<1.35.0",
-    "pyarrow<14.0.0; python_version < '3.12'",
     "pymc; python_version < '3.13'",
     "statsmodels>=0.12.1",
-    "xgboostlss; python_version >= '3.10' and python_version < '3.12'",
 ]
 
 dev = [