Feature: Update Icons (selfhst repo) (#2834)

* chore(icons): ⚡ Replace Actual icon png with svg

Replaced the PNG icon of Actual with a SVG from selfhst/icons

* chore(icons): ⚡ Replace Proxmox VE icon PNG with SVG

Repalce all PNG icons for Proxmox VE with SVG from selfhst/icons

* chore(icons): ⚡ Replace AdGuard PNG icon with SVG

Replace the PNG icon of AdGuard Home with SVG from selfhst/icons

* chore(icons): update multiple icons to SVG

Replaced rasterized images with vectorized SVG for better efficiency, sharpness, performance and lower size

* chore(icons): update logo URLs for multiple services to use selfhst/icons repository

Updated logo URLs in JSON configuration files for the following services:
- WatchYourLAN
- Authelia
- Zoraxy
- Authentik
- Pi-hole
- Radicale
- Pocket ID
- Keycloak
- Grafana
- MongoDB
- MySQL
- phpIPAM
- Duplicati
- UrBackup
- Technitium DNS
- Seelf
- Checkmk
- Glance
- ZeroTier
- BunkerWeb

* chore(icons): update logo URLs for multiple services to use selfhst/icons repository

Updated logo URLs in JSON configuration files for the following services:
- Uptime Kuma
- Umami
- Apache Tomcat

* chore(icons): update application logos to use selfhst/icons repository

* chore(icons): update application logos to use selfhst/icons repository

json/zammad.json

@@ -11,7 +11,7 @@
   "interface_port": null,
   "documentation": "https://docs.zammad.org/en/latest/",
   "website": "https://zammad.com/",
-  "logo": "https://raw.githubusercontent.com/zammad/zammad/refs/heads/develop/public/assets/images/logo.svg",
+  "logo": "https://raw.githubusercontent.com/selfhst/icons/refs/heads/main/svg/zammad.svg",
   "description": "Zammad is a web based open source helpdesk/customer support system with many features to manage customer communication via several channels like telephone, facebook, twitter, chat and emails. It is distributed under version 3 of the GNU AFFERO General Public License (GNU AGPLv3).",
   "install_methods": [
     {