Enhance Dependabot configuration with cooldown and limits

Added cooldown settings and open pull request limits for GitHub Actions and npm dependencies.

Author: chrisreddington

.github/dependabot.yml

@@ -4,6 +4,9 @@ updates:
     directory: /
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
+    open-pull-requests-limit: 10
     groups:
       actions-minor:
         update-types:
@@ -14,6 +17,12 @@ updates:
     directory: /
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
+      semver-major-days: 7
+      semver-minor-days: 3
+      semver-patch-days: 2
+    open-pull-requests-limit: 10
     groups:
       npm-development:
         dependency-type: development
@@ -23,4 +32,4 @@ updates:
       npm-production:
         dependency-type: production
         update-types:
-          - patch
+          - patch