Keep GitHub Actions up to date with GitHub's Dependabot

.github/dependabot.yml

@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+# SPDX-FileCopyrightText: 2025 Carles Fernandez-Prades <carles.fernandez@cttc.es>
+
+# Keep GitHub Actions up to date with GitHub's Dependabot
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    target-branch: next
+    groups:
+      github-actions:
+        patterns:
+          - "*"  # Group all Actions updates into a single larger pull request
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "03:00"