update OAS from 1.1.1 to 2.1.1

UEidentityAPI.yaml

 openapi: 3.1.0
 info:
   title: UE Identity API
-  version: 1.1.1
+  version: 2.1.1
   description: The ETSI MEC ISG MEC014 UE Identity API described using OpenAPI
   license:
     name: BSD-3-Clause
@@ -9,8 +9,8 @@ info:
   contact:
     email: cti_support@etsi.org
 externalDocs:
-  description: ETSI GS MEC014 UE Identity API, V1.1.1
-  url: http://www.etsi.org/deliver/etsi_gs/MEC/001_099/014/01.01.01_60/gs_mec014v010101p.pdf
+  description: ETSI GS MEC014 UE Identity API, V2.1.1
+  url: http://www.etsi.org/deliver/etsi_gs/MEC/001_099/014/02.01.01_60/gs_mec014v020101p.pdf
 security:
   - OauthSecurity:
       - all
@@ -195,7 +195,7 @@ components:
         ueIdentityTags:
           $ref: "#/components/schemas/UeIdentityTags"
     UeIdentityTags:
-      description: 1 to N tags presented by a ME Application instance to a ME Platform
+      description: 1 to N tags presented by a MEC Application instance to a MEC Platform
       type: array
       items:
         required:
@@ -207,7 +207,7 @@ components:
           state:
             $ref: "#/components/schemas/State"
     UeIdentityTag:
-      description: Specific tag presented by a ME Application instance to a ME Platform
+      description: Specific tag presented by a MEC Application instance to a MEC Platform
       type: string
       example: UeTagA
     State: