Merge pull request #230 from UserOfficeProject/1507-dependabot-config

feat: add dependabot config (same format as user office core)

Author: William-Edwards-STFC

.github/dependabot.yml

@@ -0,0 +1,16 @@
+version: 2
+updates:
+  - package-ecosystem: 'npm'
+    directory: '/'
+    schedule:
+      interval: 'weekly'
+      day: 'sunday'
+    # Limit PRs open from dependabot to avoid reaching job runners limt
+    open-pull-requests-limit: 2
+    pull-request-branch-name:
+      # Separate sections of the branch name with a hyphen because docker hub doesn't want slashes
+      # for example, `dependabot-npm_and_yarn-next_js-acorn-6.4.1`
+      separator: '-'
+    versioning-strategy: increase-if-necessary
+    cooldown:
+      default-days: 7