small fix error in the swagger file of MEC011 app-support API

go-apps/meep-app-enablement/api/app-support/swagger.yaml

@@ -2250,7 +2250,7 @@ components:
           description: >-
             Requested permissions regarding the access of the application to the service. See clause 8.2 of ETSI GS MEC 009 [4]. The format of this attribute is left for the data model design stage.
           minItems: 0
-          type: array
+          type: string
         serCategory:
           $ref: '#/components/schemas/CategoryRef'
         serName: