Merge pull request ceph#62970 from bluikko/doc-toc-sectionlevels2-radosgw

doc/radosgw: Fix section header level in config-ref.rst

Author: anthonyeleven

doc/radosgw/config-ref.rst

@@ -260,7 +260,7 @@ SSE-S3 Settings
 
 
 QoS settings
-------------
+============
 
 .. versionadded:: Nautilus