Merge pull request #613 from vractal/fix-gpg-dep

Replace gpg dependency for gnupg for debian compatibility

roles/matrix-base/tasks/server_base/setup_debian.yml

@@ -5,7 +5,7 @@
     name:
       - apt-transport-https
       - ca-certificates
-      - gpg
+      - gnupg
     state: present
     update_cache: yes