Update CODEOWNERS

[hsubox76]

Change default owners to the group, I don't think individual IDs are necessary?

I changed this in the github UI, I'm not sure what it's doing with the last line.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 4b63121

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[google-oss-bot]

Size Report ¹

Affected Products

No changes between base commit (d1eca54) and merge commit (9225321).

Test Logs

• Base (d1eca54): https://github.com/firebase/firebase-js-sdk/actions/runs/5871755748
• Merge (9225321): https://github.com/firebase/firebase-js-sdk/actions/runs/5872226726

1. https://storage.googleapis.com/firebase-sdk-metric-reports/9XrjYGjwH3.html

[google-oss-bot]

Size Analysis Report ¹

Affected Products

No changes between base commit (d1eca54) and merge commit (9225321).

Test Logs

• Base (d1eca54): https://github.com/firebase/firebase-js-sdk/actions/runs/5871755748
• Merge (9225321): https://github.com/firebase/firebase-js-sdk/actions/runs/5872226726

1. https://storage.googleapis.com/firebase-sdk-metric-reports/5ngFfrP3JL.html