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

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

frontend/public/json/openwebui.json

@@ -11,7 +11,7 @@
   "interface_port": 8080,
   "documentation": "https://docs.openwebui.com/",
   "website": "https://openwebui.com/",
-  "logo": "https://raw.githubusercontent.com/selfhst/icons/refs/heads/main/svg/open-webui.svg",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/open-webui.webp",
   "config_path": "/opt/open-webui/.env",
   "description": "OpenWebUI is a self-hosted, web-based interface that allows you to run AI models entirely offline. It integrates with various LLM runners, such as OpenAI and Ollama, and supports features like markdown and LaTeX rendering, model management, and voice/video calls. It also offers multilingual support and the ability to generate images using APIs like DALL-E or ComfyUI",
   "install_methods": [