[jfx23u] Integrated: 8304008: Update README.md and CONTRIBUTING.md for jfx update repos

[Kevin Rushforth]

On Fri, 12 Jul 2024 14:41:27 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> This is a copy of the jfx22u README and CONTRIBUTING docs, changing 22 to 23, with one additional change to add the word "Updates" after "23" in one place where it was missing (the current wording could mislead developers into thinking that JavaFX 23 fixes should be done here).
> 
> I'll take this out of Draft once PR #1 is integrated (that PR _must_ be integrated ahead of anything else and before I announce that the repo is open for pull requests).

This pull request has now been integrated.

Changeset: 20ead5a1
Author:    Kevin Rushforth <kcr at openjdk.org>
URL:       https://git.openjdk.org/jfx23u/commit/20ead5a13e2666e33b6871bd3b8ff97f020c8ea8
Stats:     269 lines in 2 files changed: 1 ins; 256 del; 12 mod

8304008: Update README.md and CONTRIBUTING.md for jfx update repos

Reviewed-by: jvos
Backport-of: 632792d4e7a6399c156df99b1cf69faba476a8c6

-------------

PR: https://git.openjdk.org/jfx23u/pull/2