chore: Update dependabot to consider github-actions

Author: adangel

.github/dependabot.yml

@@ -12,3 +12,8 @@ updates:
       day: "wednesday"
     # Allow up to 10 open pull requests for maven dependencies
     open-pull-requests-limit: 10
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "wednesday"