Create Dependabot config file

dependabot-preview[bot] · web-flow · commit 936639a1180b · 2020-08-26T02:03:49.000Z
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "13:00"
+  open-pull-requests-limit: 10
