Merge pull request #44 from valkey-io/mkmkme/add-dependabot

github: added dependabot for GitHub actions

Author: mkmkme

.github/dependabot.yml

@@ -0,0 +1,8 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    labels:
+      - "maintenance"
+    schedule:
+      interval: "monthly"