MTL-1497 add shellcheck

[jacobsalmela]

Signed-off-by: Jacob Salmela jacob.salmela@hpe.com

Summary and Scope

• Partially implements MTL-1497

This adds a shellcheck Action. It's set to fail on warnings or errors. As a starting point, I disabled the existing warnings and any future scripts will need to pass this gate.

Issue Type

• RFE Pull Request

Adds shellcheck workflow to this repo.

Prerequisites

• I have included documentation in my PR (or it is not required)
• I tested this on internal system (x) (if yes, please include results or a description of the test)

Idempotency

N/A

Risks and Mitigations

Low

Pull Request Checklist

• Version number(s) incremented, if applicable
• Copyrights updated
• License file intact
• Target branch correct
• CHANGELOG.md updated
• Testing is appropriate and complete, if applicable
• HPC Product Announcement prepared, if applicable

[med-hpe]

Why the MIT License updates (which seem unrelated). Does shellcheck require such?

[jacobsalmela]

The HPE license checker fails if a file does not have it