bump grafana to debian 13 (#9141)

* Update default Debian version to 13

* Remove software-properties-common from dependencies

Removed installation of 'software-properties-common' from dependencies.

* Update Debian version from 12 to 13

* Changed apt-get to apt

* Changed to new func setup_deb822_repo

* Replaced ${APP} with Grafana

* Refine update_script to use deb822 repo and grafana-only upgrade

* Using cleanup_lxc

* Wrong header_info in update_script()

* Remove unnecessary line break in dependency installation

* Simplify Grafana installation script

Removed unnecessary repository setup commands and updated the script for Grafana installation.

* Update Grafana repository setup in install script

Added repository details for Grafana installation.

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Co-authored-by: Tobias <96661824+CrazyWolf13@users.noreply.github.com>

frontend/public/json/grafana.json

@@ -23,7 +23,7 @@
                 "ram": 512,
                 "hdd": 2,
                 "os": "debian",
-                "version": "12"
+                "version": "13"
             }
         },
         {