Move and update CODEOWNERS

[roooms]

Description

Move CODEOWNERS to correct location to match the module template

Related issue

[Link to the related issue (if applicable)]

Type of change

• 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 not to work as expected)
• This change requires a documentation update

How has this been tested?

Matches template and other HVD module's structure

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

Additional notes

We have changed the team in CODEOWNERS from hvd-module-review to hvd-module-approvers. This will eventually be fixed with template sync, but for now, where a PR moves the CODEOWNERS file to the correct location it may also fix the team in the same commit if possible/necessary.

[abuxton]

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