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/prometheus-alertmanager.json

@@ -11,7 +11,7 @@
     "interface_port": 9093,
     "documentation": "https://prometheus.io/docs/alerting/latest/overview/",
     "website": "https://prometheus.io/",
-    "logo": "https://raw.githubusercontent.com/selfhst/icons/refs/heads/main/svg/prometheus.svg",
+    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/prometheus.webp",
     "config_path": "/etc/alertmanager/alertmanager.yml",
     "description": "Alerting with Prometheus is separated into two parts. Alerting rules in Prometheus servers send alerts to an Alertmanager. The Alertmanager then manages those alerts, including silencing, inhibition, aggregation and sending out notifications via methods such as email, on-call notification systems, and chat platforms.",
     "install_methods": [
@@ -33,4 +33,3 @@
     },
     "notes": []
 }
-