Adjust dependabot config

Author: igorpecovnik

.github/dependabot.yml

@@ -3,4 +3,7 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "daily"
+      time: "04:00"
+      timezone: "Europe/Ljubljana"
+    open-pull-requests-limit: 3