[Instrumentation.Owin] Nullable

[Kielek]

Towards #894

Changes

[Instrumentation.Owin] Nullable

• [ ] Appropriate CHANGELOG.md updated for non-trivial changes
• [ ] Design discussion issue #
• [ ] Changes in public API reviewed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.71%. Comparing base (71655ce) to head (8740c4f).
Report is 162 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1601       +/-   ##
===========================================
+ Coverage   73.91%   85.71%   +11.79%     
===========================================
  Files         267        8      -259     
  Lines        9615      140     -9475     
===========================================
- Hits         7107      120     -6987     
+ Misses       2508       20     -2488     

Flag	Coverage Δ
unittests-Instrumentation.Owin	85.71% <100.00%> (?)

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

Files	Coverage Δ
...ation.Owin/Implementation/DiagnosticsMiddleware.cs	89.42% <100.00%> (-2.44%)	⬇️
...mplementation/OwinInstrumentationActivitySource.cs	100.00% <100.00%> (ø)
...Instrumentation.Owin/OwinInstrumentationOptions.cs	100.00% <100.00%> (ø)
...umentation.Owin/TracerProviderBuilderExtensions.cs	83.33% <ø> (ø)

... and 260 files with indirect coverage changes