update 1.5 Readme with new v2 version 2.2.44 (#5070)

Co-authored-by: daniel-kmiecik <daniel-kmiecik@users.noreply.github.com>

Author: sonatypeoss[bot]

README.md

@@ -33,7 +33,8 @@ The OpenAPI Specification has undergone several revisions since initial creation
 
 Swagger core Version | Release Date | OpenAPI Spec compatibility | Notes | Status
 ------------------------- | ------------ | -------------------------- | ----- | ----
-2.2.43 (**current stable**)| 2026-02-17 | 3.x | [tag v2.2.43](https://github.com/swagger-api/swagger-core/tree/v2.2.43) | Supported
+2.2.44 (**current stable**)| 2026-03-03 | 3.x | [tag v2.2.44](https://github.com/swagger-api/swagger-core/tree/v2.2.44) | Supported
+2.2.43 | 2026-02-17 | 3.x | [tag v2.2.43](https://github.com/swagger-api/swagger-core/tree/v2.2.43) | Supported
 2.2.42 | 2026-01-19 | 3.x | [tag v2.2.42](https://github.com/swagger-api/swagger-core/tree/v2.2.42) | Supported
 2.2.41 | 2025-11-24 | 3.x | [tag v2.2.41](https://github.com/swagger-api/swagger-core/tree/v2.2.41) | Supported
 2.2.40 | 2025-10-28 | 3.x | [tag v2.2.40](https://github.com/swagger-api/swagger-core/tree/v2.2.40) | Supported