hostname - Add Manjaro Linux distribution (#64810)

* Add Manjaro Linux distribution

(cherry picked from commit a75a79b84c)

changelogs/fragments/64810-hostname-add-manjaro-linux-distribution.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - hostname - make module work on Manjaro Linux (https://github.com/ansible/ansible/issues/61382)

lib/ansible/modules/system/hostname.py

@@ -621,6 +621,12 @@ class ArchARMHostname(Hostname):
     strategy_class = SystemdStrategy
 
 
+class ManjaroHostname(Hostname):
+    platform = 'Linux'
+    distribution = 'Manjaro'
+    strategy_class = SystemdStrategy
+
+
 class RHELHostname(Hostname):
     platform = 'Linux'
     distribution = 'Redhat'