Update package installation

tasks/packages.yml

@@ -2,10 +2,11 @@
 - name: "Packages | Fuege apt-key hinzu"
   ansible.builtin.apt_key:
     url: https://packages.grafana.com/gpg.key
+    keyring: /etc/apt/trusted.gpg.d/grafana.gpg
 
 - name: "Packages | Fuege deb-Repository hinzu"
   ansible.builtin.apt_repository:
-    repo: deb https://packages.grafana.com/oss/deb stable main
+    repo: deb [signed-by=/etc/apt/trusted.d/grafana.gpg] https://apt.grafana.com stable main
     filename: grafana
 
 - name: "Packages | Installiere Grafana"