Try to fix build error while installing graphviz

Added:
> RUN apt-get clean
RUN apt-get update --fix-missing

Dockerfile

@@ -44,9 +44,11 @@ COPY --chown=user . $HOME
 RUN git clone https://avfranco:$(cat cli_token)@huggingface.co/spaces/avfranco/ea4all_agentic_live
 WORKDIR ${HOME}/ea4all_agentic_live
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
 # Install graphviz dependency
 USER root
-RUN apt-get update \
+RUN apt-get clean
+RUN apt-get update --fix-missing \
     && xargs -a packages.txt apt-get install -y \
     && apt-get clean
 USER user