Skip failing and segfaulting tests

[haasad]

This PR includes the following chagnes:

• explicitly skip failing presamples tests instead of just commenting them out (otherwise they're likely forgotten)
• skip 2 tests on osx that lead to segfaults
  • there might be more, but it's unclear to me what exactly causes the segfaults
  • re-running the workflow sometimes doesn't segfault
• add some additional output in the pipeline to help debug dependecy problems and upload an export of the final environment as artifact

I'll create a separate issues for fixing the dependencies, there's something pretty broken atm. But with the changes in this PR it should at least be possible to release a new working version so people don't have broken installations when installing/updating the AB.

Relates: #707

[coveralls]

Coverage remained the same at 54.078% when pulling b5c8a36 on haasad:i707/fix-release into 8d9f44a on LCA-ActivityBrowser:master.

[bsteubing]

Excellent - thanks so much @haasad