chore: prepare release v5.0.0-alpha.4

[kulmann]

Merge back version bump after pre-release v5.0.0-alpha.4.

[update-docs]

Thanks for opening this pull request! The maintainers of this repository would appreciate it if you would create a changelog item based on your changes.

[kulmann]

@micbar I tagged the v5.0.0-alpha.4 on the first commit of this PR, i.e. with changelog items being in an 5.0.0-2023-11-30 folder, so that the changelog can get generated correctly. After tagging, I added a second commit to this PR which moves back the changelog items to the unreleased folder, so that the master branch can continue to update existing changelog items (e.g. we do that for the web changelog item). What do you think about this proposal? Fine like that or do you want me to remove the second commit?

[micbar]

hmm, can you remove the last commit? I want to use the released versions with the new calens 0.4.0 release.

[kulmann]

hmm, can you remove the last commit? I want to use the released versions with the new calens 0.4.0 release.

of course, done

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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[micbar]

search CI is failing, has already stablilized in master branch. Merging.