added unique pointer for connection #3469

Job	Run time
Ubuntu (linux, ubuntu-20.04, x64, openssl) / Build	2m 56s
Ubuntu (linux, ubuntu-22.04, x64, openssl3) / Build	2m 54s
Ubuntu (linux, ubuntu-24.04, x64, openssl3, -UseXdp) / Build	3m 5s
Windows (windows, windows-2022, x64, openssl3) / Build	5m 32s
Windows (windows, windows-2022, x64, openssl) / Build	4m 52s
Build All Darwin Frameworks / Build Darwin Binaries (ios, arm64) / Build	3m 14s
Build All Darwin Frameworks / Build Darwin Binaries (ios, x64) / Build	3m 38s
Build All Darwin Frameworks / Build Darwin Binaries (macos, arm64) / Build	2m 27s
Build All Darwin Frameworks / Build Darwin Binaries (macos, x64) / Build	3m 36s
Build All Darwin Frameworks / Build Universal Binaries	27s
Build All Darwin Frameworks / Build Darwin Framework (ios, x64)	14s
Build All Darwin Frameworks / Build Darwin Framework (ios, arm64)	28s
Build All Darwin Frameworks / Build Darwin Framework (macos, universal)	20s
Build All Darwin Frameworks / Build Darwin XCFramework	40s
DotNet Test (windows, windows-2022, x64, openssl)	1m 53s
DotNet Test (windows, windows-2022, x64, openssl3)	1m 57s
DotNet Test (linux, ubuntu-20.04, x64, openssl)	1m 10s
DotNet Test (linux, ubuntu-22.04, x64, openssl3)	1m 15s
DotNet Test (linux, ubuntu-24.04, x64, openssl3, -UseXdp)	1m 34s
DotNet Test (macos, macos-13, universal, openssl)	37s
	42m 49s

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