ci: split docker hub description to separate workflow

.github/workflows/docker-publish.yml

@@ -77,12 +77,4 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
-      
-      # Keep docker hub description in sync with README.md
-      - name: Docker Hub Description
-        if: github.event_name != 'pull_request'
-        uses: peter-evans/dockerhub-description@v4
-        with:
-          username: ${{ env.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-          repository: ${{ env.IMAGE_NAME }}
+