jobs: Add glibc for initial testing with CI

jobs.yml

@@ -123,6 +123,11 @@ gen-sshd-host-keys:
   archs: ['aarch64']
   dists: ['buster']
   branch: master
+glibc:
+  url: https://source.puri.sm/Librem5/debs/glibc.git
+  dists: ['buster']
+  branch: 'pureos/amber-phone'
+  repo: skip
 gmime:
   url: https://source.puri.sm/Librem5/gmime.git
   dists: ['buster']