Perf improvement: json_middleware, tls-renegotiation-httpsys

[pr-benchmarks]

Scenario	Environment	Date	Old RPS	New RPS	Change	Deviation	StDev	Dependencies
json_middleware	Json 400k 2- Trends Gold Windows	06/09/2025 22:28:18	11,749	11,770	0.18 % (21) 👍	2.20 σ	9.51	Changes Name Version Diff
tls-renegotiation-httpsys [Fixed]	HttpSys Windows: TLS Renegotiation 2- Trends Gold Windows	06/09/2025 22:34:45	1,723	1,773	0.00 % (50) 👍	3.26 σ	15.31	Changes Name Version Diff

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