Website: harmonize all Logos | use jsDelivr CDN links for icons from selfhst/icons repo (#4603)

* Update jsons

* push

* more

* Switch to CDN

* push new Icons into Branch

* Update dotnetaspwebapi.json

* add proxmox logo

* Update wger.json

* switch to webp

* Update apt-cacher-ng.json

* Update homarr.json

* finalize

* Update sqlserver2022.json

* fixes

* merge

---------

Co-authored-by: tremor021 <arezina.slavisa@gmail.com>
Co-authored-by: Michel Roegl-Brunner <73236783+michelroegl-brunner@users.noreply.github.com>

frontend/public/json/plex.json

@@ -11,7 +11,7 @@
   "interface_port": 32400,
   "documentation": "https://support.plex.tv/articles/",
   "website": "https://www.plex.tv/",
-  "logo": "https://raw.githubusercontent.com/selfhst/icons/refs/heads/main/svg/plex.svg",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/plex.webp",
   "config_path": "/var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Preferences.xml",
   "description": "Plex personal media server magically scans and organizes your files, sorting your media intuitively and beautifully.",
   "install_methods": [