Increase dependabot schedule check

Author: Flashky

.github/dependabot.yml

@@ -8,9 +8,9 @@ updates:
   - package-ecosystem: "maven"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "monthly"
   - package-ecosystem: "github-actions"
     # Workflow files stored in the default location of `.github/workflows`. (You don't need to specify `/.github/workflows` for `directory`. You can use `directory: "/"`.)
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "monthly"