RFR: JMC-7258: Use the public XLST classes for the release notes [v2]

Thu May 27 20:52:11 UTC 2021

On Thu, 27 May 2021 20:28:23 GMT, Patrick Reinhart <reinhapa at openjdk.org> wrote:

>> Signed-off-by: Patrick Reinhart <patrick at reini.net>
>
> Patrick Reinhart has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Integrated review feedback
>   
>   Signed-off-by: Patrick Reinhart <patrick at reini.net>

Marked as reviewed by hirt (Lead).

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PR: https://git.openjdk.java.net/jmc/pull/252