Perf improvement: json

[pr-benchmarks]

Scenario	Environment	Date	Old RPS	New RPS	Change	Deviation	StDev	Dependencies
json [Fixed]	Json Platform Inline 5- Trends Intel Win	09/25/2025 18:55:17	648,348	659,340	1.70 % (10,993) 👍	2.32 σ	4,729.37	Changes Name Version Diff Microsoft.AspNetCore.Antiforgery.dll 10.0.0-rc.2.25468.104 -> 10.0.0-rc.2.25474.113 dotnet/dotnet@2dea164...8d0fbcb Microsoft.AspNetCore.App 10.0.0-rc.2.25468.104 -> 10.0.0-rc.2.25474.113 2dea164...8d0fbcb Microsoft.NETCore.App 10.0.0-rc.2.25468.104 -> 10.0.0-rc.2.25474.113 dotnet/runtime@2dea164...8d0fbcb

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