chore: remove set-output from workflows

[tomwillis608]

Describe the User Story

Comply with GHA changes that obsolete set-output
https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

Acceptance Criteria

set-output is no longer used in the GHA workflows in this repo

Definition of Done

• Acceptance criteria met
• Usability tests passed - this user story should be easy to use by real users
• Code refactored for clarity - code must be clean, self-documenting code
• Dependency Rule followed - higher-level code should not depend directly on lower-level code
• Source code merged
• Unit test coverage of our code > 90%
• Security reviewed and reported - includes vulnerability and compliance scanning
• Code quality checks passed
• Build process updated if needed
• API documentation updated if needed

Additional Information

No response

Related Feature Request

No response