RFR: 7903394: Update version to 7.1.1

Mon Dec 5 19:51:54 UTC 2022

On Mon, 5 Dec 2022 19:10:13 GMT, Christian Stein <cstein at openjdk.org> wrote:

> This PR updates jtreg's version to 7.1.1 and contains the cherry-picked bugfix for:
> - [7903390: Summary reporter getter not thread-safe](https://github.com/openjdk/jtreg/commit/c7df9b59d243a8526de9121a2d58a90ef98fe034)
> 
> It also updates the CHANGELOG.md accordingly.

Looks good.

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Marked as reviewed by jjg (Lead).

PR: https://git.openjdk.org/jtreg/pull/141