ClusterIssuer.spec.acme.solvers.dns01.route53.accessKeyIDSecretRef.spec.ca.issuingCertificateURLs

IssuingCertificateURLs is a list of URLs which this issuer should embed into certificates it creates. See https://www.rfc-editor.org/rfc/rfc5280#section-4.2.2.1 for more details. As an example, such a URL might be "http://ca.domain.com/ca.crt".