Disable dependabot for dockerfiles

Author: crazy-max

.github/dependabot.yml

@@ -10,16 +10,6 @@ updates:
     labels:
       - ":game_die: dependencies"
       - ":robot: bot"
-  - package-ecosystem: "docker"
-    open-pull-requests-limit: 10
-    directory: "/docs"
-    schedule:
-      interval: "daily"
-      time: "08:00"
-      timezone: "Europe/Paris"
-    labels:
-      - ":game_die: dependencies"
-      - ":robot: bot"
   - package-ecosystem: "github-actions"
     open-pull-requests-limit: 10
     directory: "/"