Update roslyn to 5.6.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
Microsoft.CodeAnalysis.Analyzers	5.3.0 → 5.6.0
Microsoft.CodeAnalysis.CSharp	5.3.0 → 5.6.0
Microsoft.CodeAnalysis.CSharp.Workspaces	5.3.0 → 5.6.0
Microsoft.CodeAnalysis.Common	5.3.0 → 5.6.0
Microsoft.CodeAnalysis.Features	5.3.0 → 5.6.0
Microsoft.CodeAnalysis.Workspaces.Common	5.3.0 → 5.6.0

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[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 0 complexity · 0 duplication

Metric	Results
Complexity	0
Duplication	0

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AI Reviewer: first review requested successfully. AI can make mistakes. Always validate suggestions.

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[github-actions]

Test Results

0 tests  ±0   0 ✅ ±0   0s ⏱️ ±0s
0 suites ±0   0 💤 ±0 
0 files   ±0   0 ❌ ±0 

Results for commit d87acf5. ± Comparison against base commit 7add924.

♻️ This comment has been updated with latest results.

[codacy-production]

Pull Request Overview

The dependency updates to Roslyn 5.6.0 are compliant with automated quality standards. No functional issues, security risks, or quality regressions were identified across the changes. The main integration risks involve potential compilation breaks or analyzer incompatibilities, which should be verified to ensure the new compiler toolset is fully integrated without side effects.

Test suggestions

• Verify that the project compiles without errors using the updated Roslyn 5.6.0 dependencies.
• Verify that existing custom analyzers or source generators (if any) are compatible with the new Roslyn versions.

Prompt proposal for missing tests

Consider implementing these tests if applicable:
1. Verify that the project compiles without errors using the updated Roslyn 5.6.0 dependencies.
2. Verify that existing custom analyzers or source generators (if any) are compatible with the new Roslyn versions.

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