DEV: Re-add ghostscript to the base image (#945)

Author: CvX

image/base/Dockerfile

@@ -66,7 +66,7 @@ RUN --mount=type=tmpfs,target=/var/log \
     libtcmalloc-minimal4 cmake \
     pngcrush pngquant ripgrep poppler-utils \
 # imagemagick runtime dependencies
-    libjbig0 libtiff6 libpng16-16 libfontconfig1 \
+    ghostscript libjbig0 libtiff6 libpng16-16 libfontconfig1 \
     libwebpdemux2 libwebpmux3 libxext6 librsvg2-2 libgomp1 \
     fonts-urw-base35 libheif1/${DEBIAN_RELEASE}-backports \
 # nginx runtime dependencies \