[valkey] Add container support for containerized deployments

Adds container support to the valkey plugin to enable it
for containerized deployments using foremanctl/quadlet.

Signed-off-by: akumari <akumari@redhat.com>

Author: archanaserver

sos/report/plugins/valkey.py

@@ -19,6 +19,7 @@ class Valkey(Plugin, IndependentPlugin):
     profiles = ('services',)
 
     packages = ('valkey',)
+    containers = ('valkey',)
 
     var_puppet_gen = "/var/lib/config-data/puppet-generated/valkey"