Retire legacy AlphaPulse mirror authentication

.gitea/workflows/retire-legacy.yml

@@ -0,0 +1,21 @@
+name: Retire AlphaPulse legacy authentication
+on:
+  push:
+    branches: [maintenance/retire-legacy-auth]
+jobs:
+  retire:
+    runs-on: docker
+    container:
+      image: docker:29-cli
+      volumes:
+        - /docker/gitea/mirrors/AlphaPulse:/docker/gitea/mirrors/AlphaPulse
+    steps:
+      - run: apk add --no-cache python3 nodejs git git-lfs
+      - uses: https://github.com/actions/checkout@11d5960a326750d5838078e36cf38b85af677262
+        with:
+          persist-credentials: false
+      - name: Verify account credential and retire project SSH authentication
+        env:
+          ALL_GITHUB_TOKEN: ${{ secrets.ALL_GITHUB_TOKEN }}
+          ALPHAPULSE_GITEA_TOKEN: ${{ secrets.ALPHAPULSE_GITEA_TOKEN }}
+        run: python3 scripts/retire_legacy_auth.py