Bug with dependency. You cant use BuildBattle on servers 1.12 and lower

[Freyhold]

Describe the bug
On servers - 1.12 or lower. U cant use buildbattle because it only can hook worldguard just 7.0+, but worldguard is only 1.13(version 7.0+). So that dependency make this plugin onlny 1.13 +
To Reproduce
Steps to reproduce the behavior. How the bug appeared ?

Expected behavior
Works on all versions.

Server Information (please complete the following information):

• Java Version [e.g 8]
• Minecraft Server Version 1.12.2

[Flashback083]

Yep, i have same issue, i hope the dev will can fix it cause in spigot page its says its work with 1.12 :/