Not able to generate xslt report using maven

Hi,

As part of tutorial 9 " TestNg Framework/Ant/Maven integartion" recording no 7, i am not able to generate xslt report using maven.

I am getting below error after running mvn test site command. Kindly let me know how can i resolved this error.


[ERROR] Failed to execute goal org.apache.maven.plugins:maven-site-plugin:3.3:si
te (default-site) on project learntestng: failed to get report for org.reportyng
:reporty-ng: Plugin org.reportyng:reporty-ng:1.2 or one of its dependencies coul
d not be resolved: Failure to find org.reportyng:reporty-ng:jar:1.2 in https://g
ithub.com/cosminaru/reporty-ng/raw/master/dist/maven was cached in the local rep
ository, resolution will not be reattempted until the update interval of reporty
-ng has elapsed or updates are forced -> [Help 1]

Mvn clean and mvn compile ran successfully.
I am able to generate surfire report successfully using maven

Attaching pom.xml for your reference