Update Workflows [ci skip]

.github/workflows/hf_pr-peak-deployment-notification.yml

@@ -0,0 +1,20 @@
+# This workflow is centrally managed and generated from
+# https://github.com/hellofresh/github-automation/blob/master/modules/repository/shared-workflows/pr-peak-deployment-notification.yml
+---
+name: "PR: Peak Deployment Notification"
+
+on:
+  pull_request:
+    types:
+      - closed
+    branches:
+      - master
+
+jobs:
+  send-notification:
+    if: github.event.pull_request.merged == true
+    uses: hellofresh/workflow-peak-deployment-notification/.github/workflows/reusable.yml@master
+    with:
+      pr_number: ${{ github.event.pull_request.number }}
+      pr_title: ${{ github.event.pull_request.title }}
+      pr_branch: ${{ github.event.pull_request.head.ref }}