Fix the production container build for new bullseye base images

add dh-autoreconf to apt-get install for static to fix install of gifsicle per imagemin/imagemin-gifsicle#37 (comment)

Dockerfile

@@ -12,7 +12,7 @@ WORKDIR /opt/warehouse/src/
 RUN set -x \
     && apt-get update \
     && apt-get install --no-install-recommends -y \
-        libjpeg-dev nasm
+        libjpeg-dev nasm dh-autoreconf
 
 # However, we do want to trigger a reinstall of our node.js dependencies anytime
 # our package.json changes, so we'll ensure that we're copying that into our