feat: Add cooldown settings for Dependabot updates

Author: mfranzke

.github/dependabot.yml

@@ -7,6 +7,8 @@ updates:
       interval: "daily"
       time: "02:00"
       timezone: "Europe/Berlin"
+    cooldown:
+      default-days: 3
 
   # Daily: Check minor and patch updates
   - package-ecosystem: "npm"
@@ -18,6 +20,8 @@ updates:
       separator: "-"
     # https://github.com/dependabot/dependabot-core/issues/5226#issuecomment-1179434437
     versioning-strategy: increase
+    cooldown:
+      default-days: 3
     groups:
       patch-dependencies:
         update-types: