ci: fix GitHub_Actions set-output is deprecated

[cclauss]

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Description

GitHub Actions: Deprecating save-state and set-output commands

https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands

Motivation and Context

Currently check_workflow_run/check_workflow GitHub Actions are displaying warnings in the Check_bazel_target_prefix job step.

Warning: 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/

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[titusfortner]

thanks!

[titusfortner]

Hmm, so I think we're missing something.

The script found python changes, but didn't run:
https://github.com/SeleniumHQ/selenium/actions/runs/3568047641/jobs/5996469979#step:5:81

Does this need to change to reference $GITHUB_OUTPUT?
https://github.com/SeleniumHQ/selenium/blob/trunk/.github/workflows/should-workflow-run.yml#L19

[titusfortner]

Hmm, this looks right to me...
https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idoutputs