Update dependency Microsoft.CodeAnalysis to 5.9.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
Microsoft.CodeAnalysis	5.6.0 → 5.9.0

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Pull request overview

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Updates the centrally managed CodeAnalysis package version to pick up newer analyzer fixes/features across the solution.

Changes:

• Bumped CodeAnalysisVersion from 5.6.0 to 5.9.0 in central package version management.

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[Codecov Comments Bot (codecov-commenter)]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.88%. Comparing base (9fbc2a6) to head (67cc930).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #393   +/-   ##
=======================================
  Coverage   77.88%   77.88%           
=======================================
  Files          14       14           
  Lines         859      859           
  Branches      224      224           
=======================================
  Hits          669      669           
  Misses        126      126           
  Partials       64       64           

Flag	Coverage Δ
Linux	79.18% <ø> (ø)
Windows	77.88% <ø> (ø)

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