feat(docs): conformance for v1.29

Signed-off-by: bsctl <[email protected]>

Author: bsctl

docs/content/reference/conformance.md

@@ -12,6 +12,7 @@ All the _“Tenant Clusters”_ built with Kamaji are CNCF conformant:
 - [v1.26](https://github.com/cncf/k8s-conformance/pull/2787)
 - [v1.27](https://github.com/cncf/k8s-conformance/pull/2786)
 - [v1.28](https://github.com/cncf/k8s-conformance/pull/2785)
+- [v1.29](https://github.com/cncf/k8s-conformance/pull/3273)
 
 <p align="left" style="padding: 6px 6px">
   <img src="https://raw.githubusercontent.com/cncf/artwork/master/projects/kubernetes/certified-kubernetes/versionless/color/certified-kubernetes-color.png" width="100" />