[PR #10512/3bb7a77b backport][stable-11] arg_spec adjustments: modules [o-s]* (#10530)

arg_spec adjustments: modules [o-s]* (#10512)

* arg_spec adjustments: modules [o-s]*

* add changelog frag

(cherry picked from commit 3bb7a77b14)

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>

plugins/modules/scaleway_database_backup.py

@@ -354,8 +354,8 @@ def main():
         region=dict(required=True, choices=SCALEWAY_REGIONS),
         id=dict(),
         name=dict(type='str'),
-        database_name=dict(required=False),
-        instance_id=dict(required=False),
+        database_name=dict(),
+        instance_id=dict(),
         expires_at=dict(),
         wait=dict(type='bool', default=False),
         wait_timeout=dict(type='int', default=300),