.github/settings.xml
<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
<!--mirrors>
<mirror>
<id>jcenter</id>
<name>JCenter</name>
<url>https://jcenter.bintray.com</url>
<mirrorOf>central</mirrorOf>
</mirror>
</mirrors-->
</settings>