[pre-commit.ci] Fixing issues with pre-commit

Author: pre-commit-ci[bot]

Dockerfile

@@ -8,15 +8,15 @@ RUN sed -i.bak "/^#.*deb-src.*universe$/s/^# //g" /etc/apt/sources.list \
       software-properties-common \
       subversion \
       libmagick++-dev \
-      libpoppler-cpp-dev \   
+      libpoppler-cpp-dev \
       libfontconfig1-dev \
       libfreetype6-dev \
       libpng-dev \
       libjpeg-dev \
       libtiff-dev \
       libharfbuzz-dev \
       libfribidi-dev \
-      libcairo2-dev \ 
+      libcairo2-dev \
     && add-apt-repository --enable-source --yes "ppa:marutter/rrutter4.0" \
     && wget -qO- https://cloud.r-project.org/bin/linux/ubuntu/marutter_pubkey.asc | tee -a /etc/apt/trusted.gpg.d/cran_ubuntu_key.asc \
     && apt-get update \