change branch to allow for building on python 3.11

backend/base/Dockerfile

@@ -85,7 +85,7 @@ RUN curl -SL https://imagemagick.org/archive/releases/ImageMagick-${IMAGEMAGICK_
 # Build and install dlib
 # Compile it WITHOUT AVX and SSE4 instructions to ensure compatibility
 WORKDIR /tmp/builds
-RUN git clone --depth 1 --branch 'v19.24' https://github.com/davisking/dlib.git && \
+RUN git clone --depth 1 --branch 'master' https://github.com/davisking/dlib.git && \
     mkdir dlib/build && \
     cd dlib/build && \
     cmake .. -DDLIB_USE_CUDA=0 -DUSE_AVX_INSTRUCTIONS=0 -DLIB_NO_GUI_SUPPORT=0 && \