Remove switching _ to - on rolenames

roles/webhook/vars/main.yml

@@ -35,11 +35,11 @@ webhook_compose:
   image: ghcr.io/thecatlady/webhook
   volumes:
     - ./config:/config:ro
-    - teamspeak-fallback-data:/mnt/teamspeak-fallback-data
+    - teamspeak_fallback_data:/mnt/teamspeak_fallback_data
   file:
     services:
       app:
         command: ["-verbose", "-hooks=/config/hooks.yml"]
     volumes:
-      teamspeak-fallback-data:
-        name: teamspeak-fallback-data
+      teamspeak_fallback_data:
+        name: teamspeak_fallback_data