linkerd/linkerd2 edge-23.3.4

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edge-23.3.4

This edge release further enhances the OutboundPolicies API used by the proxy to
route outbound traffic, and continues extending the HTTPRoute resource's Status
field. It also starts integrating circuit-breaking functionality into the proxy,
which will be configurable in a subsequent iteration.

• Continued iterating on the HTTPRoute's Status field, by extending support for
  routes parented to Services, and adding a ResolvedRefs condition reflecting
  the status of BackendRefs
• Updated the OutboundPolicies API such that only HTTPRoutes with an Accepted
  status of true are considered when routing outbound requests
• Improved handling of invalid backends, allowing the configuration of error
  responses
• Added new flag --viz-namespace which avoids requiring permissions for
  listing all namespaces in linkerd viz subcommands (thanks @danibaeyens!)
• Among other dependency updates, the no-longer maintained ghodss/yaml library
  was replaced with sigs.k8s.io/yaml (thanks @Juneezee!)