Bump Razor to 10.0.0-preview.25469.5

[davidwengier]

Weekly bump, but also fixes cohosting with the default .NET SDK installed on Ubuntu 24

View Complete Diff of Changes

• Fix breakpoint placement in cohosting (PR: #12242)
• Support view components in Go To Def (PR: #12222)
• Reduce redundant import tree parsing (PR: #12231)
• Redirect the older named assembly too (PR: #12239)
• Cache ISymbol.ToDisplayString results (PR: #12220)
• Reduce closure allocations in TokenizerBackedParser.ConfigureSpanContext (PR: #12238)
• Compiler: Small bits of clean up (PR: #12200)
• Remove old options page (PR: #12233)
• Retry running generators if the project config looks good, but the source generator doesn't produce host outputs (PR: #12228)
• Optimize GreenNode.ToString to not potentially not allocate when it has only a single non-null slot value. (PR: #12227)
• Fix bug in tag helper search engine (PR: #12226)
• Skip test on mac (PR: #12229)
• [main] Update dependencies from dotnet/arcade (PR: #12218)
• Initialize feature flags in OOP early (PR: #12079)