Revert "fix: use camelCase for multi-word resource type values"

This reverts commit 987d11c.

Author: premtsd-code

src/Migration/Resource.php

@@ -52,13 +52,13 @@ abstract class Resource implements \JsonSerializable
 
     public const TYPE_DEPLOYMENT = 'deployment';
 
-    public const TYPE_SITE_DEPLOYMENT = 'siteDeployment';
+    public const TYPE_SITE_DEPLOYMENT = 'site-deployment';
 
-    public const TYPE_SITE_VARIABLE = 'siteVariable';
+    public const TYPE_SITE_VARIABLE = 'site-variable';
 
     public const TYPE_HASH = 'hash';
 
-    public const TYPE_ENVIRONMENT_VARIABLE = 'environmentVariable';
+    public const TYPE_ENVIRONMENT_VARIABLE = 'environment-variable';
 
     // legacy terminologies
     public const TYPE_DOCUMENT = 'document';