package/modem-manager: bump to version 1.14.8

There should be no longer any need for the ac_cv_prog_XSLTPROC_CHECK
hack, this release already removes xsltproc from being a build
dependency when building from dist tarballs.

https://lists.freedesktop.org/archives/modemmanager-devel/2020-November/008279.html

Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2 files changed