API Reference update by KubeVirt Prow build 1988183976539328512

Author: kubevirt-bot

README.md

@@ -6,6 +6,7 @@ Content of this repository is generated from OpenAPI specification of
 ## KubeVirt API References
 
 * [main](https://kubevirt.github.io/api-reference/main/index.html)
+* [v1.6.3](https://kubevirt.github.io/api-reference/v1.6.3/index.html)
 * [v1.6.2](https://kubevirt.github.io/api-reference/v1.6.2/index.html)
 * [v1.6.1](https://kubevirt.github.io/api-reference/v1.6.1/index.html)
 * [v1.6.0](https://kubevirt.github.io/api-reference/v1.6.0/index.html)