Upgrade xpdf to 4.0.4 (deepset-ai#2443)

* Update minimal gpu docker image to xpdf 4.0.4

* Update Dockerfile-GPU

* Update Dockerfile

* Update Dockerfile-GPU

* Update Dockerfile-GPU-minimal

Dockerfile

@@ -14,8 +14,8 @@ RUN apt-get update && apt-get install -y \
  rm -rf /var/lib/apt/lists/*
 
 # Install PDF converter
-RUN wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-linux-4.03.tar.gz && \
- tar -xvf xpdf-tools-linux-4.03.tar.gz && cp xpdf-tools-linux-4.03/bin64/pdftotext /usr/local/bin
+RUN wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-linux-4.04.tar.gz && \
+ tar -xvf xpdf-tools-linux-4.04.tar.gz && cp xpdf-tools-linux-4.04/bin64/pdftotext /usr/local/bin
 
 # Copy Haystack code
 COPY haystack /home/user/haystack/

Dockerfile-GPU

@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y software-properties-common && \
  rm -rf /var/lib/apt/lists/*
 
 # Install PDF converter
-RUN curl -s https://dl.xpdfreader.com/xpdf-tools-linux-4.03.tar.gz | tar -xvzf - -C /usr/local/bin --strip-components=2 xpdf-tools-linux-4.03/bin64/pdftotext
+RUN curl -s https://dl.xpdfreader.com/xpdf-tools-linux-4.04.tar.gz | tar -xvzf - -C /usr/local/bin --strip-components=2 xpdf-tools-linux-4.04/bin64/pdftotext
 
 # Set default Python version
 RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.7 1 && \

Dockerfile-GPU-minimal

@@ -21,8 +21,8 @@ RUN apt-get update && apt-get install -y software-properties-common && \
  # Cleanup apt cache
  rm -rf /var/lib/apt/lists/* && \
  # Install PDF converter
- curl -s https://dl.xpdfreader.com/xpdf-tools-linux-4.03.tar.gz \
- | tar -xvzf - -C /usr/local/bin --strip-components=2 xpdf-tools-linux-4.03/bin64/pdftotext
+ curl -s https://dl.xpdfreader.com/xpdf-tools-linux-4.04.tar.gz \
+ | tar -xvzf - -C /usr/local/bin --strip-components=2 xpdf-tools-linux-4.04/bin64/pdftotext
 
 # Copy Haystack package files but not the source code
 COPY setup.py setup.cfg pyproject.toml VERSION.txt LICENSE README.md /home/user/