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/gatus.json

@@ -11,7 +11,7 @@
   "interface_port": 8080,
   "documentation": "https://gatus.io/docs",
   "website": "https://gatus.io/",
-  "logo": "https://raw.githubusercontent.com/TwiN/gatus/refs/heads/master/web/static/img/logo.svg",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/gatus.webp",
   "config_path": "/opt/gatus/config/config.yaml",
   "description": "Gatus is a developer-oriented health dashboard that gives you the ability to monitor your services using HTTP, ICMP, TCP, and even DNS queries as well as evaluate the result of said queries by using a list of conditions on values like the status code, the response time, the certificate expiration, the body and many others. The icing on top is that each of these health checks can be paired with alerting via Slack, Teams, PagerDuty, Discord, Twilio and many more.",
   "install_methods": [