[jdk8u-dev] RFR: 8295714: GHA ::set-output is deprecated and will be removed

[zzambers]

On Mon, 14 Nov 2022 14:19:49 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

>> 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

@jerboaa Thanks

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PR: https://git.openjdk.org/jdk8u-dev/pull/172