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/cockpit.json

@@ -11,7 +11,7 @@
   "interface_port": 9090,
   "documentation": "https://cockpit-project.org/documentation.html",
   "website": "https://cockpit-project.org/",
-  "logo": "https://i0.wp.com/easycode.page/wp-content/uploads/2021/10/cockpit.png?fit=400%2C400&ssl=1",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/cockpit.webp",
   "config_path": "/etc/cockpit/cockpit.conf",
   "description": "Cockpit is a web-based graphical interface for managing Linux servers. It allows users to perform tasks like configuring networks, managing storage, and monitoring system performance directly through a web browser. It integrates with existing system tools, making it suitable for both beginners and experienced admins.",
   "install_methods": [