Add applied_at and applied_by fields to tag endpoint examples

Update OpenAPI spec to reflect the VersionedTaggingPresenter changes:
- Change GET /contacts/{id}/tags schema from tag_list to tags
- Add applied_at and applied_by fields to all entity tag endpoint examples
  (contacts, conversations, tickets)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: VedranZoricic

descriptions/0/api.intercom.io.yaml

@@ -4259,13 +4259,17 @@ paths:
               examples:
                 successful:
                   value:
-                    type: list
-                    data:
+                    type: tag.list
+                    tags:
                     - type: tag
                       id: '80'
                       name: Manual tag
+                      applied_at: 1663597223
+                      applied_by:
+                        type: admin
+                        id: '456'
               schema:
-                "$ref": "#/components/schemas/tag_list"
+                "$ref": "#/components/schemas/tags"
         '404':
           description: Contact not found
           content:
@@ -4325,6 +4329,10 @@ paths:
                     type: tag
                     id: '81'
                     name: Manual tag
+                    applied_at: 1663597223
+                    applied_by:
+                      type: admin
+                      id: '456'
               schema:
                 "$ref": "#/components/schemas/tag"
         '404':
@@ -4427,6 +4435,10 @@ paths:
                     type: tag
                     id: '84'
                     name: Manual tag
+                    applied_at: 1663597223
+                    applied_by:
+                      type: admin
+                      id: '456'
               schema:
                 "$ref": "#/components/schemas/tag"
         '404':
@@ -5642,6 +5654,10 @@ paths:
                     type: tag
                     id: '86'
                     name: Manual tag
+                    applied_at: 1663597223
+                    applied_by:
+                      type: admin
+                      id: '456'
               schema:
                 "$ref": "#/components/schemas/tag"
         '404':
@@ -5741,6 +5757,10 @@ paths:
                     type: tag
                     id: '89'
                     name: Manual tag
+                    applied_at: 1663597223
+                    applied_by:
+                      type: admin
+                      id: '456'
               schema:
                 "$ref": "#/components/schemas/tag"
         '404':
@@ -13164,6 +13184,10 @@ paths:
                     type: tag
                     id: '121'
                     name: Manual tag
+                    applied_at: 1663597223
+                    applied_by:
+                      type: admin
+                      id: '456'
               schema:
                 "$ref": "#/components/schemas/tag"
         '404':
@@ -13263,6 +13287,10 @@ paths:
                     type: tag
                     id: '124'
                     name: Manual tag
+                    applied_at: 1663597223
+                    applied_by:
+                      type: admin
+                      id: '456'
               schema:
                 "$ref": "#/components/schemas/tag"
         '404':
@@ -16460,8 +16488,7 @@ components:
             tags:
               type: array
               items:
-                items:
-                  "$ref": "#/components/schemas/tag"
+                "$ref": "#/components/schemas/tag"
         segments:
           type: object
           description: The list of segments associated with the company