Fix typo

Dockerfile

 FROM python:3.11.4-alpine3.18@sha256:0a56f24afa1fc7f518aa690cb8c7be661225e40b157d9bb8c6ef402164d9faa7
 COPY ./requirements.txt /app/requirements.txt
 RUN pip install --no-cache-dir -r /app/requirements.txt && \
-    apk add --no-cache --virtual font-dejavu && \
+    apk add --no-cache --virtual font-dejavu
 COPY ./main.py /app/main.py
 WORKDIR /app
 CMD ["python", "main.py"]
\ No newline at end of file