HZC-7235: rename-viridian-to-hazelcast-cloud (#1324)

Rename viridian to hazelcast cloud

Author: atilsensalduz

Reference_Manual.md

@@ -1345,7 +1345,7 @@ and [the AWS examples directory](examples/aws)
 for more details.
 
 ## 5.8. Enabling Hazelcast Cloud Discovery
-If you are using [Hazelcast Viridian](https://viridian.hazelcast.com/) and you want to write an application that will utilize the Hazelcast cloud database service, you can use the C++ client. The configuration is very simple, you just need to set the cluster name, discovery token and enable the cloud discovery on network settings. Here is an example configuration:
+If you are using [Hazelcast Cloud](https://cloud.hazelcast.com/) and you want to write an application that will utilize the Hazelcast cloud database service, you can use the C++ client. The configuration is very simple, you just need to set the cluster name, discovery token and enable the cloud discovery on network settings. Here is an example configuration:
 
 ```c++
     hazelcast::client::client_config config;

Reference_Manual.md.in

@@ -710,7 +710,7 @@ and [the AWS examples directory](examples/aws)
 for more details.
 
 ## 5.8. Enabling Hazelcast Cloud Discovery
-If you are using [Hazelcast Viridian](https://viridian.hazelcast.com/) and you want to write an application that will utilize the Hazelcast cloud database service, you can use the C++ client. The configuration is very simple, you just need to set the cluster name, discovery token and enable the cloud discovery on network settings. Here is an example configuration:
+If you are using [Hazelcast Cloud](https://cloud.hazelcast.com/) and you want to write an application that will utilize the Hazelcast cloud database service, you can use the C++ client. The configuration is very simple, you just need to set the cluster name, discovery token and enable the cloud discovery on network settings. Here is an example configuration:
 
 ```c++
     hazelcast::client::client_config config;

hazelcast/include/hazelcast/client/client_properties.h

@@ -264,7 +264,7 @@ class HAZELCAST_API client_properties
      */
     static constexpr const char* CLOUD_URL_BASE = "hazelcast.client.cloud.url";
     static constexpr const char* CLOUD_URL_BASE_DEFAULT =
-      "api.viridian.hazelcast.com";
+      "api.cloud.hazelcast.com";
 
     /**
      * Parametrized SQL queries touching only a single partition benefit from