Add gnss-share

It helps getting an initial fix by loading/storing the almanac
and provides a unix socket to be used by geoclue.
5 jobs for add_gnss_share in 7 minutes and 43 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Test
passed #367362
librem5
shellcheck

00:00:25

 
  Package
passed #367363
librem5
package-pureos-byzantium

00:00:51

passed #367364
librem5:arm64
package-pureos-byzantium:arm64

00:02:15

 
  Test Package
passed #367365
librem5
autopkgtest-pureos-byzantium-package

00:03:16

passed #367366
librem5
lintian-pureos-byzantium-package

00:00:54