Configure Dependabot for GitHub Actions and Docker

Added configuration for GitHub Actions and Docker updates.

Author: vicentebolea

.github/dependabot.yml

@@ -0,0 +1,17 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      all-actions:
+        patterns: [ "*" ]
+    assignees:
+      - vicentebolea
+  - package-ecosystem: "docker"
+    directory: "/scripts/docker/"
+    schedule:
+      interval: "weekly"
+    assignees:
+      - vicentebolea