[release/6.0] The target framework 'net5.0' is out of support and will not receive security updates in the future

[carlossanlop]

Already have a PR out to fix this but wanted to report it using the Known Issues feature so it gets auto tagged in PRs.
#81848

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=163537
Build error leg or test failing: Libraries Build windows allConfigurations x64 Debug / Restore and Build Product
Pull request: #81307

Error Message

Fill the error message using known issues guidance.

{
  "ErrorMessage": "The target framework 'net5.0' is out of support and will not receive security updates in the future",
  "BuildRetry": false,
  "ErrorPattern": "",
  "ExcludeConsoleLog": false
}

Report

Build	Definition	Step Name	Console log	Pull Request
163537	dotnet/runtime	Restore and Build Product	Log	#81307

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	1	1

Tagging subscribers to this area: @dotnet/area-infrastructure-libraries
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Issue Details

---

Already have a PR out to fix this but wanted to report it using the Known Issues feature so it gets auto tagged in PRs.
#81848

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=163537
Build error leg or test failing: Libraries Build windows allConfigurations x64 Debug / Restore and Build Product
Pull request: #81307

Error Message

Fill the error message using known issues guidance.

{
  "ErrorMessage": "The target framework 'net5.0' is out of support and will not receive security updates in the future",
  "BuildRetry": false,
  "ErrorPattern": "",
  "ExcludeConsoleLog": false
}

Author:	carlossanlop
Assignees:	carlossanlop
Labels:	area-Infrastructure-libraries, blocking-clean-ci, Known Build Error
Milestone:	-

[ViktorHofer]

Fixed by #81848