[jdk25u-dev] RFR: 8343474: [updates] Customize README.md to specifics of update project

[Severin Gehwolf]

On Thu, 27 Nov 2025 15:25:07 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

> I backport this change from 21!! We should have a similar wording on the github main page.

Marked as reviewed by sgehwolf (Reviewer).

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PR Review: https://git.openjdk.org/jdk25u-dev/pull/26#pullrequestreview-3516453677