Fix all the old usage of admonition syntax (#107098)

docs/sources/shared/back-up/back-up-grafana.md

@@ -22,10 +22,10 @@ The Grafana configuration files are located in the following directories:
 
 For more information on where to find configuration files, refer to [Configuration file location](https://grafana.com/docs/grafana/<GRAFANA_VERSION>/setup-grafana/configure-grafana/#configuration-file-location).
 
-{{% admonition type="note" %}}
+{{< admonition type="note" >}}
 If you installed Grafana using the `deb` or `rpm` packages, then your configuration file is located at
 `/etc/grafana/grafana.ini`. This path is specified in the Grafana `init.d` script using `--config` file parameter.
-{{% /admonition %}}
+{{< /admonition >}}
 
 ## Back up plugin data
 
@@ -44,9 +44,9 @@ We recommend that you back up your Grafana database so that you can roll back to
 
 The default Grafana database is SQLite, which stores its data in a single file on disk. To back up this file, copy it to your backup repository.
 
-{{% admonition type="note" %}}
+{{< admonition type="note" >}}
 To ensure data integrity, shut down your Grafana service before backing up the SQLite database.
-{{% /admonition %}}
+{{< /admonition >}}
 
 The SQLite database file is located in one of the following directories: