change Account Request

- override toString dont print password
- make password nullable

src/main/kotlin/ltd/hlaeja/library/accountRegistry/Account.kt

@@ -7,10 +7,12 @@ object Account {
 
     data class Request(
         val username: String,
-        val password: CharSequence,
+        val password: CharSequence?,
         val enabled: Boolean,
         val roles: List<String>,
-    )
+    ) {
+        override fun toString(): String = "Request(username=$username, password=******, enabled=$enabled, roles=$roles)"
+    }
 
     data class Response(
         val id: UUID,