pull-request-2025-06-11

Thomas Huth

@thuth

1da0025e · scripts/meson-buildoptions: Sort coroutine_backend choices lexicographically · Jun 11, 2025

* Remove aarch64 job from travis.yml
* Remove deprecated s390-ccw-virtio-4.1 machine
* Add memlock functional test
* Various other small updates and fixes