feat: delete user scim v2 endpoint (#9151)

# Which Problems Are Solved
- Adds support for the user delete SCIM v2 endpoint

# How the Problems Are Solved
- Adds support for the user delete SCIM v2 endpoint under `DELETE
/scim/v2/{orgID}/Users/{id}`

# Additional Context
Part of #8140

internal/api/scim/resources/resource_handler.go

@@ -19,6 +19,7 @@ type ResourceHandler[T ResourceHolder] interface {
 	NewResource() T
 
 	Create(ctx context.Context, resource T) (T, error)
+	Delete(ctx context.Context, id string) error
 }
 
 type Resource struct {