[jfx22u] RFR: 8304008: Update README.md and CONTRIBUTING.md for jfx update repos

Fri Jan 12 00:06:42 UTC 2024

On Fri, 12 Jan 2024 00:00:43 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> Backport the changes to the README and CONTTRIBUTING guidelines for update releases. There are two commits: the first is a clean backport of the fix that went into jfx21u. The second is a simple substitution changing 21 to 22 in the two files.

Reviewer: @johanvos

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PR Comment: https://git.openjdk.org/jfx22u/pull/2#issuecomment-1888160572