Update README.md

Author: frantuma

README.md

@@ -33,6 +33,7 @@ The OpenAPI Specification has undergone several revisions since initial creation
 
 Swagger core Version      | Release Date | OpenAPI Spec compatibility | Notes                                                                                                             | Status
 ------------------------- |--------------| -------------------------- |-------------------------------------------------------------------------------------------------------------------| ----
+2.2.28 (**current stable**)| 2025-01-16   | 3.x           | [tag v2.2.28](https://github.com/swagger-api/swagger-core/tree/v2.2.28)                                           | Supported
 2.2.27                     | 2024-12-11   | 3.x           | [tag v2.2.27](https://github.com/swagger-api/swagger-core/tree/v2.2.27)                                           | Supported
 2.2.26                     | 2024-11-18   | 3.x           | [tag v2.2.26](https://github.com/swagger-api/swagger-core/tree/v2.2.26)                                           | Supported
 2.2.25                     | 2024-10-02   | 3.x           | [tag v2.2.25](https://github.com/swagger-api/swagger-core/tree/v2.2.25)                                           | Supported
@@ -83,7 +84,7 @@ Swagger core Version      | Release Date | OpenAPI Spec compatibility | Notes
 2.0.5                     | 2018-09-19   | 3.0           | [tag v2.0.5](https://github.com/swagger-api/swagger-core/tree/v2.0.5)                                             | Supported
 2.0.4                     | 2018-09-05   | 3.0           | [tag v2.0.4](https://github.com/swagger-api/swagger-core/tree/v2.0.4)                                             | Supported
 2.0.3                     | 2018-08-09   | 3.0           | [tag v2.0.3](https://github.com/swagger-api/swagger-core/tree/v2.0.3)                                             | Supported
-1.6.14 (**current stable**)| 2025-01-15   | 2.0           | [tag v1.6.15](https://github.com/swagger-api/swagger-core/tree/v1.6.15)                                           | Supported
+1.6.15 (**current stable**)| 2025-01-15   | 2.0           | [tag v1.6.15](https://github.com/swagger-api/swagger-core/tree/v1.6.15)                                           | Supported
 1.6.14                    | 2024-03-19   | 2.0           | [tag v1.6.14](https://github.com/swagger-api/swagger-core/tree/v1.6.14)                                           | Supported
 1.6.13                    | 2024-01-26   | 2.0           | [tag v1.6.13](https://github.com/swagger-api/swagger-core/tree/v1.6.13)                                           | Supported
 1.6.12                    | 2023-10-14   | 2.0           | [tag v1.6.12](https://github.com/swagger-api/swagger-core/tree/v1.6.12)                                           | Supported