Merge branch 'codex/reduce-dist-doc-image' into v8-stable

doc/Makefile.am

@@ -1212,7 +1212,7 @@ EXTRA_DIST = \
     source/tutorials/config_format_translation.rst \
     source/tutorials/database.rst \
     source/tutorials/deploy_rsyslog_rosi_stack.rst \
-    source/tutorials/rosi_stack_architecture.png \
+    source/tutorials/rosi_stack_architecture.jpg \
     source/tutorials/rosi_stack_grafana_dashboard.png \
     source/tutorials/failover_syslog_server.rst \
     source/tutorials/gelf_forwarding.rst \

doc/source/tutorials/deploy_rsyslog_rosi_stack.rst

@@ -56,7 +56,7 @@ Architecture Overview
 ROSI Collector uses a central server that receives logs and metrics from
 multiple client systems.
 
-.. figure:: rosi_stack_architecture.png
+.. figure:: rosi_stack_architecture.jpg
    :alt: ROSI Collector architecture showing clients, rsyslog, Loki, Grafana, Prometheus, and Traefik.
 
    ROSI Collector architecture.