Update changelog

[quentin]

Prepare new release version 2.4
Fixes #2393

[codecov]

Codecov Report

Merging #2397 (8279ff0) into master (0334b07) will increase coverage by 0.07%.
The diff coverage is 85.57%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2397      +/-   ##
==========================================
+ Coverage   77.56%   77.63%   +0.07%     
==========================================
  Files         467      472       +5     
  Lines       30785    31042     +257     
==========================================
+ Hits        23877    24100     +223     
- Misses       6908     6942      +34     

Impacted Files	Coverage Δ
src/parser/ParserDriver.h	100.00% <ø> (ø)
src/synthesiser/Synthesiser.h	100.00% <ø> (ø)
.../ast/transform/SimplifyConstantBinaryConstraints.h	50.00% <50.00%> (ø)
src/MainDriver.cpp	70.39% <70.27%> (+0.15%)	⬆️
src/parser/scanner.ll	78.01% <76.92%> (+5.49%)	⬆️
tests/libsouffle_interface/vfs_overlay_test.cpp	85.93% <85.93%> (ø)
src/parser/SrcLocation.cpp	91.86% <87.50%> (+7.24%)	⬆️
src/parser/ParserDriver.cpp	89.44% <88.33%> (-0.39%)	⬇️
src/parser/VirtualFileSystem.cpp	88.37% <88.37%> (ø)
...st/transform/SimplifyConstantBinaryConstraints.cpp	100.00% <100.00%> (ø)
... and 11 more

[b-scholz]

Thanks for collating the contributions.