feat: Modernize cmake

[FrogTheFrog]

Description

Modernize CMake by using recommended functions and patterns

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Dependency update (updates to dependencies)
• Documentation update (changes to documentation)
• Repository update (changes to repository files, e.g. .github/...)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

Branch Updates

LizardByte requires that branches be up-to-date before merging. This means that after any PR is merged, this branch
must be updated before it can be merged. You must also
Allow edits from maintainers.

• I want maintainers to keep my branch updated

[ReenigneArcher]

I don't have cmake experience outside of Sunshine, but the approach seems good overall. Might be good to eventually port what we end up with here, over to Sunshine.

I assume there will need to be some tweaks to the tests CMakeLists.txt as well, but I will run the workflow anyway.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.66%. Comparing base (35ca85a) to head (9133c38).

Additional details and impacted files

@@             Coverage Diff             @@
##           master      #17       +/-   ##
===========================================
+ Coverage   45.45%   66.66%   +21.21%     
===========================================
  Files           5        2        -3     
  Lines         154        3      -151     
  Branches       89        1       -88     
===========================================
- Hits           70        2       -68     
+ Misses          7        0        -7     
+ Partials       77        1       -76     

Flag	Coverage Δ
Windows	66.66% <ø> (+21.21%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
src/common/include/displaydevice/logging.h	50.00% <ø> (ø)
...indows/include/displaydevice/windows/winapilayer.h	100.00% <ø> (ø)

... and 3 files with indirect coverage changes