Nightly Binary Distribution Build
Smack
Tests: 831 passed
Duration: 18 minutes
Changes: Who: Florian Schmaus <flo@geekplace.eu>
Why: Merge pull request #561 from Flowdalic/github-ci
[github ci] Java 15 → 17

Who: Florian Schmaus <flo@geekplace.eu>
Why: [github ci] Remove Java 15, as its no longer provided
It appears github"s ubuntu-22.04 image does not provide java
15. However, since Smack uses Gradle 6.8, we can not use any higher
version than Java 15.