chore: [CODEOWNERS] use gh teams instead of usernames

[tariq1890]

Instead of listing every GitHub username as an authorised code owner, we use a GitHub team instead. This has two advantages:

• No need to update CODEOWNERS when members are added or removed
• It keeps the added reviewer list for PRs minimal

[coderabbitai]

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• CODEOWNERS

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📝 Walkthrough

Walkthrough

The CODEOWNERS entry now assigns general approval for the gpu-operator codebase to @NVIDIA/gpu-operator-dev instead of six individual maintainers.

Priority: ⬇️ Low

Merge Risk: ⚪ Minimal · up to 840fa

This change updates CODEOWNERS to use the gpu-operator-dev team. No concrete merge-blocking risk is established by the supplied evidence.

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_{Comment @coderabbitai help to get the list of available commands.}

[coveralls]

coverage: 44.49%. remained the same — add-team-to-codeowners into main

[rahulait]

Does it auto-detect who the users are in that mailing list?
nvm, I see the team now