Resolve "Update documentation to show support for k8s 1.23" to close issue

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Adds 2 lines to the documentation

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Closes https://repo1.dso.mil/platform-one/big-bang/bigbang/-/issues/1102

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Closes #1102 (closed)

docs/guides/prerequisites/kubernetes_preconfiguration.md

@@ -46,7 +46,7 @@ You can override bigbang's helm values so istio will provision a service of type
 
 ### Kubernetes Version
 
-* We currently support up to K8s Version 1.23 and back to Kubernetes releases that are not end of life https://kubernetes.io/releases/
+* We currently support up to K8s Version 1.23, and back to Kubernetes releases that are not end of life https://kubernetes.io/releases/
 
 ### VMWare Tanzu Kubernetes Grid