Add dependabot

Author: joncinque

.github/dependabot.yml

@@ -0,0 +1,18 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "08:00"
+    timezone: UTC
+  open-pull-requests-limit: 6
+- package-ecosystem: npm
+  directories:
+    - "/"
+    - "/clients/js"
+  schedule:
+    interval: daily
+    time: "09:00"
+    timezone: UTC
+  open-pull-requests-limit: 6