docs: upstream Kubernetes API resource links show SSL certificate error

[mikemorris]

What happened:
Upstream Kubernetes API resource links from the API specification page (such as the Kubernetes meta/v1.LabelSelector field on RouteNamespaces) lead to an SSL certificate warning. I've noticed this on other upstream k8s API resources too, but don't have an exhaustive list of bad links currently.

Websites prove their identity via certificates. Firefox does not trust this site because it uses a certificate that is not valid for v1-18.docs.kubernetes.io. The certificate is only valid for the following names: *.netlify.app, netlify.app
 
Error code: SSL_ERROR_BAD_CERT_DOMAIN

What you expected to happen:
These Kubernetes API resource links should likely point to a current version of the reference docs such as https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.23/#labelselector-v1-meta (is there an alias for latest that wouldn't need to be updated regularly?) and/or explanatory content like https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors (which is actually a bit better at providing context on how to use this resource from a developer experience perspective).

How to reproduce it (as minimally and precisely as possible):
Click the Kubernetes meta/v1.LabelSelector link from the RouteNamespaces) resource.

[kundan2707]

/kind documentation