Update rdls_schema.json

Align vulnerability and exposure description for field 'exposure taxonomy' as"The name of the taxonomy scheme used to create descriptive individual asset feature strings within the dataset. Use of GED4ALL is recommended.",

Author: stufraser1

schema/rdls_schema.json

@@ -199,7 +199,7 @@
         "taxonomy": {
           "title": "Exposure taxonomy scheme",
           "type": "string",
-          "description": "The name of the taxonomy scheme used to create descriptive individual asset feature strings within the dataset.",
+          "description": "The name of the taxonomy scheme used to create descriptive individual asset feature strings within the dataset. Use of GED4ALL is recommended.",
           "minLength": 1
         },
         "metrics": {