chore: update codeowners to latest version

[BekahHW]

Description

• reorganizes to remove noisiness
• add fallback
• add config

Related Tickets & Documents

closes #389

Mobile & Desktop Screenshots/Recordings

Steps to QA

Tier (staff will fill in)

• [ ] Tier 1
• [ ] Tier 2
• [ ] Tier 3
• [x] Tier 4

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