Add github.com/hashicorp/go-version to allow-dependencies-licenses

[dhurley]

Proposed changes

Allow github.com/hashicorp/go-version package to be used even though license is MPL-2.0.

Checklist

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• I have read the contributing guidelines.
• I have signed the F5 Contributor License Agreement (CLA).
• If applicable, I have added tests that prove my fix is effective or that my feature works.
• If applicable, I have checked that any relevant tests pass after adding my changes.
• I have updated any relevant documentation (README.md and/or CHANGELOG.md).