ci: Adding dependabot (#723)

Author: DeaMariaLeon

.github/dependabot.yml

@@ -0,0 +1,13 @@
+# Set update schedule for GitHub Actions
+# This opens a PR when actions in workflows need an update
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      # Check for updates to GitHub Actions every week
+      interval: "weekly"
+    commit-message:
+      prefix: "skip changelog" # So this PR will not be added to release-drafter
+      include: "scope" # List of the updated dependencies in the commit will be added