readded ssh flag in rsync

.gitea/workflows/deploy.yml

@@ -41,6 +41,6 @@ jobs:
       - name: Deploy via rsync
         run: |
           rsync -avz --delete \
-          -e "ssh -i ~/.ssh/id_ed25519 -p ${{ secrets.DEPLOY_PORT }} \
+          -e "ssh -i ~/.ssh/id_ed25519 -p ${{ secrets.DEPLOY_PORT }} -o UpdateHostKeys=no"\
           public/ \
           ${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}:${{ secrets.DEPLOY_PATH }}