Perf improvement: json, plaintext, plaintext

[pr-benchmarks[bot]]

Scenario	Environment	Date	Old RPS	New RPS	Change	Deviation	StDev	Dependencies
json [Fixed]	Json Platform 2- Trends Azure Arm64 Linux	02/21/2024 21:21:02	118,458	124,158	4.81 % (5,700) :thumbsup:	2.02 σ	2,826.45	Changes Name Version Diff Microsoft.AspNetCore.App 9.0.0-preview.2.24119.5 -> 9.0.0-preview.2.24120.6 https://github.com/dotnet/aspnetcore/compare/8e435d10fd8a529486744a419a004c2e9739040a...f26b79eb34d13648bedc5ec98e2151f8c55db978 Microsoft.NETCore.App 9.0.0-preview.2.24119.9 -> 9.0.0-preview.2.24121.5 https://github.com/dotnet/runtime/compare/bee4602cd5974c9abb2d83cc58d5342b75b4cdbe...96bee8dcab478309090c8776d858c7080f851a81
plaintext [Fixed]	Plaintext Platform 2- Trends Azure Arm64 Linux	02/21/2024 21:20:14	942,111	1,051,585	11.62 % (109,474) :thumbsup:	3.61 σ	30,324.32	Changes Name Version Diff Microsoft.AspNetCore.App 9.0.0-preview.2.24119.5 -> 9.0.0-preview.2.24120.6 https://github.com/dotnet/aspnetcore/compare/8e435d10fd8a529486744a419a004c2e9739040a...f26b79eb34d13648bedc5ec98e2151f8c55db978 Microsoft.NETCore.App 9.0.0-preview.2.24119.9 -> 9.0.0-preview.2.24121.5 https://github.com/dotnet/runtime/compare/bee4602cd5974c9abb2d83cc58d5342b75b4cdbe...96bee8dcab478309090c8776d858c7080f851a81
plaintext	Plaintext Platform Inline 2- Trends Azure Arm64 Linux	02/21/2024 21:21:52	950,204	1,051,207	10.63 % (101,003) :thumbsup:	3.16 σ	31,951.05	Changes Name Version Diff Microsoft.AspNetCore.App 9.0.0-preview.2.24119.5 -> 9.0.0-preview.2.24120.6 https://github.com/dotnet/aspnetcore/compare/8e435d10fd8a529486744a419a004c2e9739040a...f26b79eb34d13648bedc5ec98e2151f8c55db978 Microsoft.NETCore.App 9.0.0-preview.2.24119.9 -> 9.0.0-preview.2.24121.5 https://github.com/dotnet/runtime/compare/bee4602cd5974c9abb2d83cc58d5342b75b4cdbe...96bee8dcab478309090c8776d858c7080f851a81

PowerBI Dashboard

@sebastienros