- Update asterisk15 to 15.6.0
- Depend on default lua version - Remove upstreamed patch
PR: 226909 Submitted by: O. Hartmann <ohartmann@walstatt.org>
Note that branch 15 is NOT a Long Term Support branch. Asterisk 15 will reach EOL before Asterisk 13. Requested by: "Herbert J. Skuhra" <herbert@gojira.at> (thanks for help testing)