Fixed schema data type issue with water

Author: paulculmsee

independent-publisher-connectors/AMEE Open Business/apiDefinition.swagger.json

@@ -587,7 +587,8 @@
           "title": "Status of Water Data ('modelled', 'updated', 'sourced' or 'no_data')"
         },
         "water_withdrawn_l": {
-          "type": "string",
+          "type": "integer",
+          "format": "int32",
           "description": "water_withdrawn_l",
           "title": "Water Withdrawn"
         },