Upgrade to GitHub-native Dependabot

Change-Id: Ia840d698513376502dea049c61dc2e0834bf5f3c
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..62df99a
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+version: 2
+updates:
+- package-ecosystem: github-actions
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "04:00"
+  open-pull-requests-limit: 10