package/azmq: bump version to git v1.0.3-54-g819b2403
Last release dates back to 2021 with > 50 commits since then, including
fixes for cmake 4 compatibility.
Instead of backporting several patches we bump the package to the latest
commit.
Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
[Julien: change _VERSION to use "git describe --abbrev=40" format]
Signed-off-by: Julien Olivain <ju.o@free.fr>