Merge pull request #579 from fortanix/yx/setup-dependabot

Add dependabot config

Author: Taowyoo

Diff for: .github/dependabot.yml

@@ -0,0 +1,15 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 10
+  groups:
+    crates-io:
+      patterns:
+        - "*"
+- package-ecosystem: github-actions
+  directory: "/"
+  schedule:
+    interval: weekly