RFR: Clarify use of (rel)-pool values [v3]

[Jesper Wilhelmsson]

On Tue, 24 Sep 2024 20:07:31 GMT, Roger Calnan <duke at openjdk.org> wrote:

>> (rel)-pool values should not be used for affects versions, but can, along with tbd, be used in the fix version
>
> Roger Calnan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   clarify that update versions should be used if known

Marked as reviewed by jwilhelm (Lead).

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PR Review: https://git.openjdk.org/guide/pull/134#pullrequestreview-2337398805