chore: instruct dependabot to ignore devDependencies

Author: jamaljsr

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: 'npm'
+    directory: '/app/'
+    schedule:
+      interval: 'weekly'
+    allow:
+      # Allow both direct and indirect updates for production packages.
+      # Ignores packages listed in devDependencies
+      - dependency-type: 'production'