aaron.mondal@mongodb.com's idea in https://github.com/10gen/mongo/pull/25322#discussion_r1690693227

Ex:
build-essential libfl2 libxml2-dev libssl-dev \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*

This would reduce the size of the RBE containers, speeding up execution and reducing cost.