Allow multiple ingress hosts to be defined when using ingress (#1377)

* Replace api version for deployment kind to apps/v1

* Add new multiple ingress spec and deprecate hostname and ingress_tls_secret

* Manage new ingress_hosts.tls_secret backup separately

* Fix ci molecule lint warnings and error

* Fix documentation

* Fix ingress_hosts tls_secret key being optional

* Remove fieldDependency:ingress_type:Ingress for Ingress Hosts

* Fix scenario when neither hostname or ingress_hosts is defined

---------

Co-authored-by: Guillaume Lefevre <guillaume.lefevre@agoda.com>
Co-authored-by: Seth Foster <fosterseth@users.noreply.github.com>
Co-authored-by: Christian Adams <chadams@redhat.com>

config/manifests/bases/awx-operator.clusterserviceversion.yaml

@@ -212,7 +212,7 @@ spec:
       kind: AWX
       name: awxs.awx.ansible.com
       specDescriptors:
-      - displayName: Hostname
+      - displayName: Hostname (Deprecated)
         path: hostname
         x-descriptors:
         - urn:alm:descriptor:com.tectonic.ui:advanced
@@ -302,12 +302,17 @@ spec:
         - urn:alm:descriptor:com.tectonic.ui:advanced
         - urn:alm:descriptor:com.tectonic.ui:text
         - urn:alm:descriptor:com.tectonic.ui:fieldDependency:ingress_type:Ingress
-      - displayName: Ingress TLS Secret
+      - displayName: Ingress TLS Secret (Deprecated)
         path: ingress_tls_secret
         x-descriptors:
         - urn:alm:descriptor:com.tectonic.ui:advanced
         - urn:alm:descriptor:io.kubernetes:Secret
         - urn:alm:descriptor:com.tectonic.ui:fieldDependency:ingress_type:Ingress
+      - displayName: Ingress Hosts
+        path: ingress_hosts
+        x-descriptors:
+        - urn:alm:descriptor:com.tectonic.ui:advanced
+        - urn:alm:descriptor:com.tectonic.ui:text
       - displayName: Ingress Controller
         path: ingress_controller
         x-descriptors: