update docs with v0.6 references (#1400)

Signed-off-by: Prajyot-Parab <[email protected]>
Co-authored-by: Prajyot-Parab <[email protected]>

Author: k8s-infra-cherrypick-robot

README.md

@@ -31,7 +31,7 @@ This provider's versions are compatible with the following versions of Cluster A
 |--------------------------------------------|-----------------|----------------|
 | IBMCloud Provider v1alpha4 (v0.1.x)        | ✓               |                |
 | IBMCloud Provider v1beta1 (v0.2.x, v0.3.x) |                 | ✓              |
-| IBMCloud Provider v1beta2 (v0.4.x, v0.5.x, main)   |                 | ✓              |
+| IBMCloud Provider v1beta2 (v0.4.x, v0.5.x, v0.6.x, main) |                 | ✓              |
 
 
 (See [Kubernetes support matrix][cluster-api-supported-v] of Cluster API versions).

docs/book/src/introduction.md

@@ -20,8 +20,9 @@ previous cluster managers such as [kops](https://github.com/kubernetes/kops) and
 
 <h1>Cluster API Provider IBM Cloud documentation versions</h1>
 
-This book documents Cluster API Provider IBM Cloud v0.5. For other versions please see the corresponding documentation:
+This book documents Cluster API Provider IBM Cloud v0.6. For other versions please see the corresponding documentation:
 * [main.cluster-api-ibmcloud.sigs.k8s.io](https://main.cluster-api-ibmcloud.sigs.k8s.io)
+* [release-0-6.cluster-api-ibmcloud.sigs.k8s.io](https://release-0-6.cluster-api-ibmcloud.sigs.k8s.io/)
 * [release-0-5.cluster-api-ibmcloud.sigs.k8s.io](https://release-0-5.cluster-api-ibmcloud.sigs.k8s.io/)
 * [release-0-4.cluster-api-ibmcloud.sigs.k8s.io](https://release-0-4.cluster-api-ibmcloud.sigs.k8s.io/)