Test on Fedora linux

[bkmgit]

Summary:

Test on Fedora linux and make RPM packages for Fedora linux supported versions.

Related Issue(s):

Closes #2462

Reviewer's Checklist:

• The header of all files contain a reference to the repository license
• The overall test coverage is increased or remains the same as before
• All tests are passing
• All linting checks are passing and the style guide is followed
• Documentation (as docstrings) is complete and understandable
• Only files that have been actively changed are committed

[bkmgit]

If this will be useful, can add a build_rpm.py script within the utils directory.

[vkbo]

I pushed a commit that checks for the correct qtlrelease exec. This is useful in general for building on Fedora, not just in CI/CD. I also fixed a bug in your yaml (it was invalid).

The Fedora test job fails on pulling the docker image though.

[vkbo]

The Codecov command failed. Seems it needs git to be installed.

[vkbo]

Also, the two commented out sed commands seem to be unnecessary, and can be removed.

[vkbo]

If this will be useful, can add a build_rpm.py script within the utils directory.

Do you want to do that in the same pull request, or another one?

I flagged the PR as a Draft (same as the WIP prefix in GitLab), but the tests can be merged as they are now if you're happy with the setup. Looks good to me anyway.