Exclude CI job 8.10.7 on Windows that corrupts all CI (backport #8388)

[mergify]

This is an automatic backport of pull request #8388 done by Mergify.
Cherry-pick of c68ed01 has failed:

On branch mergify/bp/3.8/pr-8388
Your branch is ahead of 'origin/3.8' by 1 commit.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit c68ed0175.
  (all conflicts fixed: run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

nothing to commit, working tree clean

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[Mikolaj]

Emergency-merging before the 2-day period elapses.