Most likely due to ubuntu-latest changed from 20.04 to 22.04.

Last success tests run 135:

Operating System
Ubuntu
20.04
LTS

https://github.com/python/typing_extensions/actions/runs/3449085893/jobs/5756701950#step:1:4

Non lint failed test run:

Operating System
Ubuntu
22.04
LTS

https://github.com/python/typing_extensions/actions/runs/3543481555/jobs/5955553976#step:1:4