Standardise files with files in sous-chefs/repo-management

Signed-off-by: Xorima Bot <xorimabot@avon-lea.co.uk>

.github/workflows/stale.yml

@@ -0,0 +1,28 @@
+---
+name: Mark stale issues and pull requests
+
+"on":
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  stale:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/stale@v3
+      - with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        close-issue-message: >
+          Closing due to inactivity.
+          If this is still an issue please reopen or open another issue.
+          Alternatively drop by the #sous-chefs channel on the [Chef Community Slack](http://community-slack.chef.io/) and we'll be happy to help!
+          Thanks, Sous-Chefs.
+        days-before-close: 7
+        days-before-stale: 365
+        stale-issue-message: >
+          Marking stale due to inactivity.
+          Remove stale label or comment or this will be closed in 7 days.
+          Alternatively drop by the #sous-chefs channel on the [Chef Community Slack](http://community-slack.chef.io/) and we'll be happy to help!
+          Thanks, Sous-Chefs.