RFR: 7904143: Release jtreg 8.2.1

[Jan Lahoda]

On Wed, 28 Jan 2026 16:09:36 GMT, Christian Stein <cstein at openjdk.org> wrote:

> Please review this change to set jtreg's version number to `8.2.1` and update the `CHANGELOG.md` file to include a section about jtreg 8.2.1
> 
> URL targets used in the `CHANGELOG.md` file will start to work after the resulting commit was tagged. For example: https://git.openjdk.org/jtreg/compare/jtreg-8.2.1+1...master
> 
> Note that this an empty fixup release.

Looks OK.

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Marked as reviewed by jlahoda (Lead).

PR Review: https://git.openjdk.org/jtreg/pull/311#pullrequestreview-3717694578