feat: Update swagger to openapi 3.0.4, update request payloads with examples (#11374)

swagger/paths/application/canned_responses/index.yml

@@ -6,12 +6,18 @@ description: Get Details of Canned Responses in an Account
 security:
   - userApiKey: []
 responses:
-  200:
+  '200':
     description: Success
-    schema:
-        type: array
-        description: 'Array of all canned responses'
-        items:
-          $ref: '#/definitions/canned_response'
-  403:
+    content:
+      application/json:
+        schema:
+          type: array
+          description: 'Array of all canned responses'
+          items:
+            $ref: '#/components/schemas/canned_response'
+  '403':
     description: Access denied
+    content:
+      application/json:
+        schema:
+          $ref: '#/components/schemas/bad_request_error'