add stale repos GHA workflow

.github/workflows/stale_repos.yml

@@ -0,0 +1,32 @@
+name: stale repo identifier
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "3 2 1 * *"
+  push:
+    branches:
+      - add-stale-repos-workflow
+
+jobs:
+  build:
+    name: stale repo identifier
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Run stale_repos tool
+        uses: docker://ghcr.io/github/stale_repos:v1
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ORGANIZATION: DSACMS
+          # ORGANIZATION: ${{ secrets.ORGANIZATION }}
+          INACTIVE_DAYS: 365
+
+      - name: Create issue
+        uses: peter-evans/create-issue-from-file@v4
+        with:
+          title: Stale repository report
+          content-filepath: ./stale_repos.md