Update dependabot.yml

Co-authored-by: Marcel Seidel <47413751+m-seidel@users.noreply.github.com>

Author: timdittler

.github/dependabot.yml

@@ -8,8 +8,6 @@ updates:
       default-days: 7
     labels:
       - "dependencies"
-    cooldown:
-      default-days: 7
 
   - package-ecosystem: "github-actions"
     directory: "/"