feat: add host suffix to /api/v2/deployment/ssh (#17269)

Adds `HostnameSuffix` to ssh config API and deprecates `HostnamePrefix`. We will still support setting and using the prefix for some time.

coderd/apidoc/docs.go

@@ -14754,6 +14754,11 @@ const docTemplate = `{
             "type": "object",
             "properties": {
                 "hostname_prefix": {
+                    "description": "HostnamePrefix is the prefix we append to workspace names for SSH hostnames.\nDeprecated: use HostnameSuffix instead.",
+                    "type": "string"
+                },
+                "hostname_suffix": {
+                    "description": "HostnameSuffix is the suffix to append to workspace names for SSH hostnames.",
                     "type": "string"
                 },
                 "ssh_config_options": {

coderd/apidoc/swagger.json

@@ -13384,6 +13384,11 @@
 			"type": "object",
 			"properties": {
 				"hostname_prefix": {
+					"description": "HostnamePrefix is the prefix we append to workspace names for SSH hostnames.\nDeprecated: use HostnameSuffix instead.",
+					"type": "string"
+				},
+				"hostname_suffix": {
+					"description": "HostnameSuffix is the suffix to append to workspace names for SSH hostnames.",
 					"type": "string"
 				},
 				"ssh_config_options": {