Enable Depandabot for arkade

Signed-off-by: Alistair Hey <alistair@heyal.co.uk>

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+# reference: https://docs.github.com/en/github/administering-a-repository/configuration-options-for-dependency-updates
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"