Update dependabot.yml: Add comment for default daily interval and ign…

…ore chalk 5.x

- Added a comment indicating that the daily update interval is the default setting.
- Continued to ignore updates for the chalk package version 5.x.

.github/dependabot.yml

@@ -3,7 +3,7 @@ updates:
   - package-ecosystem: 'npm'
     directory: '/'
     schedule:
-      interval: 'daily'
+      interval: 'daily' # default
     ignore:
       - dependency-name: 'chalk'
         versions: ['5.x']