Add dependabot config

This configuration tells Dependabot to group non-major updates into a single PR each week

Author: spikeheap

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/" # Location of package manifests
+    schedule:
+    interval: "weekly"
+    day: "monday"
+    time: "08:00"
+    groups:
+      straightforward-dependencies:
+        applies-to: version-updates
+        update-types:
+          - minor
+          - patch