[jdk11u-dev] RFR: 8295714: GHA ::set-output is deprecated and will be removed

[zzambers]

On Wed, 9 Nov 2022 19:53:26 GMT, Paul Hohensee <phh at openjdk.org> wrote:

>> This backport fixes warnings generated in GHA summary page by use of deprecated set-output command. According to warning messages command will be removed soon:
>> 
>> The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/`
>> 
>> All tests passed (no warnings).
>
> Lgtm.

@phohensee Thanks

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PR: https://git.openjdk.org/jdk11u-dev/pull/1494