Clarify header pointing to notes for latest version released.

[mkcor]

Description

Minor / docs (one core dev approval is enough)
Related to #6496

Checklist

• Docstrings for all functions
• Gallery example in ./doc/examples (new features only)
• Benchmark in ./benchmarks, if your changes aren't covered by an
  existing benchmark
• Unit tests
• Clean style in the spirit of PEP8
• Descriptive commit messages (see below)

For reviewers

• Check that the PR title is short, concise, and will make sense 1 year
  later.
• Check that new functions are imported in corresponding __init__.py.
• Check that new features, API changes, and deprecations are mentioned in
  doc/release/release_dev.rst.
• There is a bot to help automate backporting a PR to an older branch. For
  example, to backport to v0.19.x after merging, add the following in a PR
  comment: @meeseeksdev backport to v0.19.x
• To run benchmarks on a PR, add the run-benchmark label. To rerun, the label
  can be removed and then added again. The benchmark output can be checked in
  the "Actions" tab.

[lagru]

Thanks @mkcor, this is an improvement so merging. But I don't think it fixes #6496 which I understand to be about the incongruence between "0.20.0.dev0" in the sidebar and "We’re happy to announce the release of scikit-image v0.19.3!" in the first line after the modified heading.

[lagru]

@mkcor I just noticed that you used a branch on our main repo, was that intentional?

[mkcor]

@mkcor I just noticed that you used a branch on our main repo, was that intentional?

No, it wasn't. My bad. I didn't pay attention to this when editing from the GitHub interface.

But I don't think it fixes #6496

Right, that's why I wrote "related to" (not "fixes" or "closes").

[lagru]

No worries. But look at the edit, you wrote "closes". 😁

[mkcor]

No worries. But look at the edit, you wrote "closes". 😁

Oh, you edited! 😆 Sorry, I didn't (try to) remember. It's my first time using GitHub's version control for comments; I had never noticed this was available just like any other history; thanks for drawing my attention to it! 🙏