implement dependabot cooldown (#6227)

Author: trinity-1686a

.github/dependabot.yml

@@ -13,13 +13,17 @@ updates:
     ignore:
       - dependency-name: "*"
         update-types: ["version-update:semver-patch"]
+    cooldown:
+      default-days: 14
 
   # Docker dependencies
   - package-ecosystem: docker
     directory: "/"
     schedule:
       interval: "monthly"
     open-pull-requests-limit: 10
+    cooldown:
+      default-days: 14
 
   # GitHub Actions
   - package-ecosystem: github-actions
@@ -31,6 +35,8 @@ updates:
         patterns:
           - "*"
     open-pull-requests-limit: 10
+    cooldown:
+      default-days: 14
 
   # NPM dependencies
   - package-ecosystem: npm
@@ -42,3 +48,5 @@ updates:
         patterns:
           - "*"
     open-pull-requests-limit: 10
+    cooldown:
+      default-days: 14