gitlab-ci: fix servergitmirrors by using Debian packages
gitlab-ci: fix servergitmirrors by using Debian packages

this is like:
* ca5ebcb30f0cd23800e1f5fa960e1410be116665
* 972bfe346f377777288de00931fcd685d2b2ca86
* 23bd62c31c576077ed81315beaf02dca1fa2b22a
* !1035
* !1034
* !1029
* !1028

f-droid/fdroidserver,fdroidtravis/fdroidserver,fdroidtravis/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroidserver,f-droid/fdroidserver,f-droid/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroidserver