Merge branch 't33816-concurrent-update-fix' into 'master'

postgres-ha fix "tuple concurrently updated", refs #33816

See merge request mediaserver/envsetup!54

ansible/roles/mediaserver/tasks/main.yml

@@ -89,6 +89,7 @@
   command:
     cmd: msinstaller.py {{ item.name }} --no-input
     creates: /etc/nginx/sites-available/mediaserver-{{ item.name }}.conf
+  throttle: 1
 
 - name: synchronize configuration between servers
   ignore_errors: yes