Merge pull request OAI#1112 from RepreZen/typo_securityScheme_example

Fix typo in spec example: `securitySchemas`->`securitySchemes`

Author: Ron

versions/3.0.md

@@ -575,7 +575,7 @@ components:
         application/json
           schema:
             $ref: '#/components/schemas/GeneralError'
-  securitySchemas:
+  securitySchemes:
     api_key:
       type: apiKey
       name: api_key