Dockerfile: install perl modules

Author: wsipak

.github/Dockerfile

@@ -57,7 +57,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     zlib1g \
     zlib1g-dev
 
-RUN cpanm Bit::Vector
+RUN cpanm File::Slurp
+RUN cpanm Module::Pluggable
+RUN cpanm Bit::Vector Capture::Tiny DateTime DateTime::Format::W3CDTF Devel::Cover Digest::MD5 File::Spec JSON::XS Memory::Process Time::HiRes
 
 # Clone and build Verilator
 RUN git clone https://github.com/verilator/verilator verilator && \