CMakeLists.txt: explicitly list the Boost libraries required for linking

[dpocock]

What is the current behavior you want to change?

On more recent systems (e.g. CMake 3.18, gcc 10, Debian 11), the build fails if these Boost libraries are not listed

What is the new behavior provided by this change?

Ensures that the build is successful

How has this been tested?

Building on a Debian 11 system (CMake 3.18, gcc 10)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature / enhancement (non-breaking change which improves the project)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• My change requires a change to the documentation
• My change requires a change in other repository

Checklist

• I have read the Contribution Guidelines
• I have added an explanation of what the changes do and why they should be included
• I have written new tests for the changes, as applicable, and have successfully run them locally