update Ubuntu 22 Helix images

[wfurt]

consuming dotnet/dotnet-buildtools-prereqs-docker#808

[wfurt]

/azp run runtime-libraries-coreclr outerloop

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[wfurt]

ARM64 run seems fine
https://helixre8s23ayyeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-pull-82460-merge-58f379374a6a4df688/System.Net.Quic.Functional.Tests/1/console.2a4bdcd2.log

Console log: 'System.Net.Quic.Functional.Tests' from job 58f37937-4a6a-4df6-88ed-26cb23bddabb (ubuntu.1804.armarch.open) using docker image mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-helix-arm64v8-staging on a001FQA

/root/helix/work/correlation/dotnet exec --runtimeconfig System.Net.Quic.Functional.Tests.runtimeconfig.json --depsfile System.Net.Quic.Functional.Tests.deps.json xunit.console.dll System.Net.Quic.Functional.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing 
popd
===========================================================================================================
/root/helix/work/workitem/e /root/helix/work/workitem/e
  Discovering: System.Net.Quic.Functional.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  System.Net.Quic.Functional.Tests (found 114 of 122 test cases)
  Starting:    System.Net.Quic.Functional.Tests (parallel test collections = on, max threads = 2)
    System.Net.Quic.Tests.MsQuicPlatformDetectionTests.SupportedWindowsPlatforms_IsSupportedIsTrue [SKIP]
      Condition(s) not met: "IsWindows"
    System.Net.Quic.Tests.MsQuicPlatformDetectionTests.UnsupportedPlatforms_ThrowsPlatformNotSupportedException [SKIP]
      Condition(s) not met: "IsQuicUnsupported"
  Finished:    System.Net.Quic.Functional.Tests
=== TEST EXECUTION SUMMARY ===
   System.Net.Quic.Functional.Tests  Total: 338, Errors: 0, Failed: 0, Skipped: 2, Time: 108.422s