Merge pull request #38868 from mantidproject/update_mslice_version_number

Update MSlice version number from 2.10.1 to 2.11.0

Author: SilkeSchomann

conda/recipes/conda_build_config.yaml

@@ -70,7 +70,7 @@ matplotlib:
   - 3.9.*
 
 mslice:
-  - '2.10.1'
+  - '2.11.0'
 
 ninja:
   - '>=1.10.2'