Bump fmu-sumo to 2.15.1 and sumo-wrapper-python to 1.9.0 (#1856)

Author: sigurdp

backend_py/libs/services/poetry.lock

@@ -13,7 +13,7 @@ redis = "7.1.1"
 pyarrow = "^24.0.0"
 numpy = "^2.2.0"
 httpx = "^0.28.1"
-sumo-wrapper-python = "^1.6.0"
+sumo-wrapper-python = "^1.9.0"
 pottery = "^3.0.0"
 requests-toolbelt = "^1.0.0"
 xtgeo = "^4.18.0"
@@ -33,7 +33,7 @@ pydantic = "~2.12.0"
 
 ### Might change model fields in minor updates, so pinned for stability 
 fmu-datamodels = "0.21.4"
-fmu-sumo = "2.14.0"
+fmu-sumo = "2.15.1"
 
 
 [build-system]