build: Shrink Fedora images

Tell dnf not to install weak dependencies, to shrink the size of the
Fedora images.

Author: mpe

build/fedora/Dockerfile

@@ -1,7 +1,7 @@
 ARG from
 FROM ${from}
 
-RUN dnf -y install \
+RUN dnf -y install --setopt=install_weak_deps=False \
         bc \
         bison \
         bzip2 \