Merge branch 'ci' into 'master'

CI: Added debian, macos, win32 and win64 jobs.

See merge request !1
4 jobs for master in 4 minutes and 30 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #240692
amd64 debian
build-debian

00:00:42

passed #240693
macos
build-macos

00:00:54

passed #240695
win32 amd64 debian
build-win32

00:01:43

passed #240694
win64 amd64 debian
build-win64

00:01:53