Refactor models to support external DNS certificate automation

[nilsgstrabo]

No description provided.

[github-actions]

BREAKING CHANGES:
=================
/applications/{appName}/buildsecrets/{secretName}:put - Request - Body.secretValue<SecretParameters>.type<string> - Deleted possible enumeration(s) - client-cert
/applications/{appName}/environments/{envName}/components/{componentName}/secrets/{secretName}:put - Request - Body.componentSecret<SecretParameters>.type<string> - Deleted possible enumeration(s) - client-cert
/applications/{appName}/privateimagehubs/{serverName}:put - Request - Body.imageHubSecret<SecretParameters>.type<string> - Deleted possible enumeration(s) - client-cert
Spec Definitions.Secret.status<string> - Deleted possible enumeration(s) - Invalid
Spec Definitions.Secret.statusMessages<array[string]> - Deleted property
Spec Definitions.Secret.tlsCertificates<array[TLSCertificate]> - Deleted property
Spec Definitions.Secret.type<string> - Deleted possible enumeration(s) - client-cert
compatibility test FAILED: 7 breaking changes detected