[repo] Misc changes

[utpilla]

Changes

• Update non-prod packages
• Other updates to use .NET 8 instead of .NET 7
• Update unit tests:
  • Remove ConfigureAwait(false) to resolve the warning xUnit1030
  • Remove .Result and .Wait() and use async/await to resolve the warning xUnit1031

[codecov]

Codecov Report

Merging #5053 (d1c968e) into main (b0f9607) will decrease coverage by 0.24%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5053      +/-   ##
==========================================
- Coverage   83.54%   83.30%   -0.24%     
==========================================
  Files         296      296              
  Lines       12473    12473              
==========================================
- Hits        10420    10391      -29     
- Misses       2053     2082      +29     

Flag	Coverage Δ
unittests	83.30% <ø> (-0.24%)	⬇️

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see 8 files with indirect coverage changes