Merge pull request #15 from imponeer/ci/"github-actions"-updates-monthly

"github-actions" updates monthly

Author: MekDrop

.github/dependabot.yml

@@ -11,6 +11,6 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: monthly
     labels:
       - "dependencies"