Allow xgboost 2.0 and higher (#198)

allow xgboost 2.0 and higher

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "openeo-processes-dask"
-version = "2023.11.3"
+version = "2023.11.4"
 description = "Python implementations of many OpenEO processes, dask-friendly by default."
 authors = ["Lukas Weidenholzer <lukas.weidenholzer@eodc.eu>", "Sean Hoyal <sean.hoyal@eodc.eu>", "Valentina Hutter <valentina.hutter@eodc.eu>"]
 maintainers = ["EODC Staff <support@eodc.eu>"]
@@ -29,7 +29,7 @@ xarray = { version = ">=2022.11.0", optional = true }
 dask = {extras = ["array"], version = ">=2023.4.0", optional = true}
 rasterio = { version = "^1.3.4", optional = true }
 dask-geopandas = { version = ">=0.2.0,<1", optional = true }
-xgboost = { version = "^1.5.1", optional = true }
+xgboost = { version = ">=1.5.1", optional = true }
 rioxarray = { version = ">=0.12.0,<1", optional = true }
 openeo-pg-parser-networkx = { version = ">=2023.5.1", optional = true }
 odc-geo = { version = ">=0.4.1,<1", optional = true }