Merge branch 'archmanweb-v1.9' into 'master'

Update archmanweb to v1.9

See merge request !778

playbooks/man.archlinux.org.yml

@@ -15,4 +15,4 @@
     - { role: promtail }
     - { role: postgres }
     - { role: uwsgi }
-    - { role: archmanweb, archmanweb_version: 'v1.7' }
+    - { role: archmanweb, archmanweb_version: 'v1.9' }