Fix sftp server for docker configuration

Dockerfile

@@ -10,7 +10,7 @@ RUN apk add --no-cache openssl make gcc g++ python linux-headers paxctl gnupg ta
  && npm install --production \
  && addgroup -S pterodactyl && adduser -S -D -H -G pterodactyl -s /bin/false pterodactyl \
  && apk del --no-cache make gcc g++ python linux-headers paxctl gnupg \
- && curl -sSL https://github.com/pterodactyl/sftp-server/releases/download/$(curl --silent "https://api.github.com/repos/pterodactyl/sftp-server/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')/sftp-server > /srv/daemon/sftp-server \
+ && curl -sSL https://github.com/pterodactyl/sftp-server/releases/download/v1.0.4/sftp-server > /srv/daemon/sftp-server \
  && mkdir -p /var/log/supervisord /lib64 && ln -s /lib/libc.musl-x86_64.so.1 /lib64/ld-linux-x86-64.so.2 \
  && chmod +x /srv/daemon/sftp-server \
  && chmod +x /srv/daemon/.docker/entrypoint.sh \