Update dependabot configuration for GitHub Actions to daily schedule

Author: skarg

.github/dependabot.yml

@@ -2,7 +2,7 @@
 
 version: 2
 updates:
-  - package-ecosystem: "" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "github-actions"
+    directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "daily"