Update Fedora docker image to Fedora 38

[CarnaViire]

Prereq repo now only has Fedora 38 image. Which means, only it can be updated to the latest packages. And also, Fedora 36 is EOL.

System.Net.Quic had to update minimal required libmsquic package version to 2.2.2+ (#90228).
To be able to pull in the latest package, I've updated the image to Fedora 38. Without it, System.Net.Quic extra-platform tests are failing and outerloop is not running on Fedora at all (due to skipping if supported check fails).

@karelz If update goes smoothly, we might want to consider backporting this "test-infra-only" change to reduce noise in extra-platforms and bring back outerloop test coverage.

cc @ManickaP @wfurt

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Issue Details

---

Prereq repo now only has Fedora 38 image. Which means, only it can be updated to the latest packages. And also, Fedora 36 is EOL.

System.Net.Quic had to update minimal required libmsquic package version to 2.2.2+ (#90228).
To be able to pull in the latest package, I've updated the image to Fedora 38. Without it, System.Net.Quic extra-platform tests are failing and outerloop is not running on Fedora at all (due to skipping if supported check fails).

@karelz If update goes smoothly, we might want to consider backporting this to reduce noise in extra-platforms and bring back outerloop test coverage.

cc @ManickaP @wfurt

Author:	CarnaViire
Assignees:	CarnaViire
Labels:	area-Infrastructure-libraries
Milestone:	-

[CarnaViire]

/azp run runtime-libraries-coreclr outerloop

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[wfurt]

LGTM

[CarnaViire]

Fedora is used only if isExtraPlatforms=true or includeAllPlatforms=true 🤦‍♀️ pushed dummy commit to enable fedora temporarily, to run the tests

[CarnaViire]

All tests on Fedora 38, including Quic tests, were executed successfully.

https://dev.azure.com/dnceng-public/public/_build/results?buildId=378445&view=logs&j=bc8f69e2-91b3-518c-84f8-466a04c1af40&t=0864dbdb-cb3f-5f82-b0b6-057b78db53e2&l=51

https://helixre107v0xdcypoyl9e7f.blob.core.windows.net/dotnet-runtime-refs-pull-90776-merge-94ac0ea7436e4b399d/System.Net.Quic.Functional.Tests/1/console.95d50a4b.log?helixlogtype=result

MsQuic supported and using 'libmsquic.so 2.2.2.377087 (b7b2d5e6df9c98ec8bad6d8dc8c6ef1a0e892abd)'.
  Discovered:  System.Net.Quic.Functional.Tests (found 124 of 134 test cases)
  Starting:    System.Net.Quic.Functional.Tests (parallel test collections = on, max threads = 2)
    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: 358, Errors: 0, Failed: 0, Skipped: 1, Time: 114.231s

Reverting the dummy commit.

[CarnaViire]

Test failures are unrelated

[CarnaViire]

@ViktorHofer @carlossanlop PTAL

[ManickaP]

Thanks

[CarnaViire]

/backport to release/8.0

[github-actions]

Started backporting to release/8.0: https://github.com/dotnet/runtime/actions/runs/5941525683