RFR: 7904135: Release jtreg 8.2

[Jaikiran Pai]

On Tue, 20 Jan 2026 12:24:07 GMT, Christian Stein <cstein at openjdk.org> wrote:

> Please review this change to update the `CHANGELOG.md` file to include a section about jtreg 8.2
> 
> This change also increases the working number to 8.3

Marked as reviewed by jpai (Reviewer).

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PR Review: https://git.openjdk.org/jtreg/pull/310#pullrequestreview-3706739470