chore: Fixes versions and changelogs

[oblique]

Description

Notes & open questions

I noticed some mistakes in the versions and in changelogs, introduced by #5347 and some other PRs.

I carefully checked all changelogs and added - unreleased tag on their latest unreleased version to help avoiding such issues in the future. That tag should be removed before releasing and added if a new unreleased version is introduced.

I suggest you to check release-plz.

Change checklist

• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• A changelog entry has been made in the appropriate crates

[dariusc93]

I thought it was discussed to leave the unreleased suffix omitted from the changelog or was it decided to reintroduce it?

[oblique]

I was not aware. @jxs Do you know?

[dariusc93]

Though I do remember in a PR I was told to drop the suffix, but this is the reference I can find about it #4541 (comment).

EDIT:
comment that mentioned about leaving it out

[oblique]

Thanks. I removed the unreleased tag.

[jxs]

Thanks Yianis! Yeah Darius is right we deprecated the usage of unreleased