feat: Change ingress type to 'contour' (PSCLOUD-414)

Author: umeshk20

examples/ansible-vars.yaml

@@ -31,7 +31,7 @@ V4_CFG_CR_USER: <container_registry_user>
 V4_CFG_CR_PASSWORD: <container_registry_password>
 
 ## Ingress
-V4_CFG_INGRESS_TYPE: ingress
+V4_CFG_INGRESS_TYPE: contour
 V4_CFG_INGRESS_FQDN: <desired_fqdn>
 V4_CFG_TLS_MODE: full-stack # [full-stack|front-door|ingress-only|disabled]