Upgrade to GitHub-native Dependabot

dependabot-preview[bot] · Pratyush · commit 5e0800a15531 · 2021-04-29T07:16:31.000-07:00
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: rand
+    versions:
+    - 0.8.0
