git: openjdk/jdk17u-dev: 8295714: GHA ::set-output is deprecated and will be removed

[Paul Hohensee]

Changeset: 3df72a35
Author:    Magnus Ihse Bursie <ihse at openjdk.org>
Committer: Paul Hohensee <phh at openjdk.org>
Date:      2022-11-09 19:50:18 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/3df72a359e402b929b210f88ed85a86f9f10231f

8295714: GHA ::set-output is deprecated and will be removed

Backport-of: b35922be6de7b848a2982d6a278dbd205fc39e6a

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