Perf regression: antiforgery-noop, json, json

[pr-benchmarks]

Scenario	Environment	Date	Old RPS	New RPS	Change	Deviation	StDev	Dependencies
antiforgery-noop [Fixed]	Antiforgery No Operation 10- Trends idna-amd-lin	08/20/2026 22:26:06	126,351	105,553	-16.46 % (-20,798) 👎	-5.96 σ	3,488.87	Changes Name Version Diff Antiforgery.dll 1.0.0 -> 1.0.0 aspnet/Benchmarks@09ea584...2c03e27
json [Fixed]	Json Platform 10- Trends idna-amd-lin	08/20/2026 22:06:16	165,499	148,142	-10.49 % (-17,357) 👎	-5.21 σ	3,329.71	Changes Name Version Diff PlatformBenchmarks.dll 1.0.0 -> 1.0.0 aspnet/Benchmarks@09ea584...2c03e27
json [Fixed]	Json 10- Trends idna-amd-lin	08/20/2026 22:18:58	142,935	134,982	-5.56 % (-7,953) 👎	-2.28 σ	3,494.77	Changes Name Version Diff Benchmarks.dll 1.0.0 -> 1.0.0 aspnet/Benchmarks@09ea584...2c03e27

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