Update dependabot.yml config

Ref: https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file#allow

Allow all updates.

.github/dependabot.yml

@@ -6,6 +6,8 @@ updates:
   schedule:
     interval: daily
   open-pull-requests-limit: 10
+  allow:  
+  - dependency-type: "all"
   target-branch: main
 - package-ecosystem: github-actions
   directory: /