Update roslyn to 5.8.0-1.26267.2

[davidwengier]

View Complete Diff of Changes

• Centralize commit character definitions and fix cross-deserialization equality (PR: #83732)
• Add HtmlCompletionDataGenerator tool and generated HTML completion data (PR: #83734)
• Fix TryGetAttributeName nameLocation to include parameter name (PR: #83733)
• Fix racecondition on UnsuedDirectiveCache.Set (PR: #83693)
• Additional tests for unions (PR: #83703)
• Fix single line script tag formatting (PR: #83721)
• Fix progress reporting to report done on dispose (PR: #83686)
• Fix main build (PR: #83719)
• Validate pooled objects in compiler tests (PR: #82784)
• Implement type hierarchy LSP methods in Razor (PR: #83637)
• Allow Rebuild to validate Razor DLLs (PR: #83689)
• Rename constant to make it clear which is which (PR: #83662)
• Remove a bunch of Razor EA bits that existed to differentiate between language servers (PR: #83669)
• Avoid evaluating platform-dependent shifts at compile time (PR: #83034)
• Unsafe evolution: require opt-in for stackalloc rule (PR: #83639)
• Razor support for Implement Interface (PR: #83636)
• Remove IncludeRoslynDeps from Razor (PR: #83659)
• Razor support for Implement Abstract Class (PR: #83638)
• Switch Razor away from MS.Ext.ObjectPool over to Roslyn pool (PR: #83632)
• Allow runtime directory assemblies in AnalyzerAssemblyLoader tests (PR: #83674)
• feat(LSP): add IsOptionServiceAvailable opt-in for CodeActionWithOptions filtering (PR: #83650)
• Remove/rewrite more razor EA URI helpers (PR: #83668)
• Make LspWorkspaceRegistrationService a lsp service (PR: #83665)
• More misc. changes for unions (PR: #83649)
• Ambiguous Union conversions are now erroneous (PR: #83625)
• Misc. Union changes (PR: #83603)
• Report errors for not allowed parts of ParameterSyntax in Union declaration (PR: #83586)
• Flesh out handling of isExplicitNotNullTest for union matching (PR: #83556)
• Misc. Union changes (PR: #83518)
• Add support for consumption of union member provider TryGetValue method (PR: #83487)
• Add support for consumption of union member provider HasValue property (PR: #83292)
• Add tests for explicit union Value property matching (PR: #83226)
• Improve validation of union conversions utilizing constructors (PR: #83221)
• Add support for consumption of union member provider factory methods (PR: #83208)
• Unions: Simplify lookup of members in generic union types (PR: #83165)
• Unions: Align implementation with recent design changes around case types and default nullability (PR: #83161)
• Support declaring Value property in a Union member provider interface (PR: #83149)
• Enable declaration and consumption of non-virtual static members in interfaces regardless of runtime support for Default Interface Implementations (PR: #83097)
• Unions: Support use of TryGetValue methods with non-identity scenarios (PR: #83015)
• Recognize union creation members defined in an interface acting as a union member provider (PR: #83048)
• Unions: Support inheritance for TryGetValue methods (PR: #82884)
• Fixup exhaustiveness check for unions (PR: #82859)
• Unions: Support inheritance for Value/HasValue property (PR: #82779)
• Improve constant pattern matching against open generic union type (PR: #82714)

[davidwengier]

The old update-razor-version skill used to do this, and personally I like that GitHub links up all of the PRs to the insertion, even if they're not in the change log. Let me know if you don't like it, and I can revert the changes to this file.