CI: Disable examples for cross builds.

4 jobs for ci in 1 minute and 52 seconds
Status Job ID Name Coverage
  Build
passed #241391
amd64 debian
build-debian

00:01:52

passed #241392
macos
build-macos

00:00:29

passed #241394
win32 amd64 debian
build-win32

00:00:36

passed #241393
win64 amd64 debian
build-win64

00:00:36