chore(deps): update grafana/alloy docker tag to v1.11.3

library/compose/alloy/compose.yaml.j2

@@ -1,6 +1,6 @@
 services:
   {{ service_name | default("alloy") }}:
-    image: grafana/alloy:v1.11.2
+    image: grafana/alloy:v1.11.3
     container_name: {{ container_name | default("alloy") }}
     hostname: {{ container_hostname }}
     command: