Merge pull request #514 from Shopify/melaniew/add_dependabot

Add dependabot

Author: mllemango

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+updates:
+- package-ecosystem: "pip"
+  directory: "/"
+  schedule:
+    interval: "daily"
+    time: "00:00"
+    timezone: "UTC"
+  reviewers:
+      - Shopify/core-build-learn
+    labels:
+      - "Pip upgrades"
+    open-pull-requests-limit: 100
+    registries: '*'