Builds are now done from git repository based on release tag. [1][2]

Switch to meson as GNU autotools based build is no longer supported. [2]

Update SPDX license identifier [3] and switch to AUTORELEASE to avoid
manual increments.

[1] https://www.freedesktop.org/software/libqmi/libqrtr-glib-RELEASES-README
[2] https://lists.freedesktop.org/archives/libqmi-devel/2021-November/003721.html
[3] https://gitlab.freedesktop.org/mobile-broadband/libqrtr-glib/-/tree/1.2.2#license

Signed-off-by: Kuan-Yi Li <kyli@abysm.org>

Signed-off-by: Nicholas Smith <nicholas@nbembedded.com>