pin GHA runners to ubuntu-20.04 #5832
Merged
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GHA just updated the ubuntu VM so that ubuntu-latest now points to 22.04.1 instead of 20.04.5
https://github.blog/changelog/2022-12-01-github-actions-larger-runners-using-ubuntu-latest-label-will-now-use-ubuntu-22-04/
actions/runner-images#6399
We have pinned python 3.6.13 and 3.8.10 in our workflows. There are NO 3.6.* versions available on ubuntu 22.04 in GHA. The oldest 3.8 version available is 3.8.12 on ubuntu 22.04 in GHA. So, we need to use
ubuntu-20.04instead ofubuntu-latestfor our workflows at least until we can drop python 3.6 support in CI.