Merge pull request ceph#56996 from zdover23/wip-doc-2024-04-19-dev-peering-image

doc/dev: repair broken image

Reviewed-by: Rongqi Sun <[email protected]>
Reviewed-by: Antony D'Atri <[email protected]>

Author: zdover23

doc/dev/peering.rst

@@ -261,4 +261,5 @@ Use the `gen_state_diagram.py <https://github.com/ceph/ceph/blob/master/doc/scri
 
 Sample state model:
 
-.. graphviz:: peering_graph.generated.dot
+.. image:: peering_graph.generated.svg
+