Add Python 3.11 and Fedora 37 + some small updates

[frenzymadness]

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[frenzymadness]

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[frenzymadness]

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[frenzymadness]

@zmiklank Could you please take a look at the changes I've made in .github/? Are those enough to test and publish the new container image?

[zmiklank]

Yes, I think the changes are sufficient.

[frenzymadness]

Yes, I think the changes are sufficient.

Thanks for the quick reply but I don't see the tests for Python 3.11 running here.

[zmiklank]

Stuff from .github/workflows/ are in the PR being taken from master branch, not from PR branch. You can first merge only these changes separately and then continue your work at this PR.

[zmiklank]

It should be also stated in the contribution.md, but it is not. I will add it there eventually.

[frenzymadness]

Stuff from .github/workflows/ are in the PR being taken from master branch, not from PR branch. You can first merge only these changes separately and then continue your work at this PR.

If I do that. What will happen in the master branch where 3.11 does not exist? Will the actions just ignore non-existing images/folders/combinations?

[zmiklank]

The actions (either build-and-push and test action) will fail on Python 3.11 target. Other targets should not be affected by it.

[frenzymadness]

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[frenzymadness]

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