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.