Retire the legacy distroless tag after latest publication

.gitea/workflows/build-push.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Install Docker CLI
         run: |
           apt-get update
-          apt-get install -y --no-install-recommends docker.io
+          apt-get install -y --no-install-recommends docker.io python3
           rm -rf /var/lib/apt/lists/*
 
       - name: Log in to Docker Hub
@@ -52,3 +52,10 @@ jobs:
           labels: |
             org.opencontainers.image.source=https://git.k2patel.in/k2patel/docker-rtorrent
             org.opencontainers.image.revision=${{ github.sha }}
+
+      - name: Retire the separate distroless tag
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
+          DOCKER_REPOSITORY: k2patel/rtorrent
+        run: python3 build/retire-distroless-tag.py