fix: ci

Dockerfile

@@ -8,8 +8,6 @@ ENV PYTHONUNBUFFERED=1
 
 RUN apt-get update && apt-get install -y libgl1
 
-RUN pip install -r requirements.txt
-
 RUN pip install .
 
 CMD ["pdf2zh", "-i"]

MANIFEST.in

@@ -1 +0,0 @@
-include requirements.txt