use api-extractor fork that supports multiple entries

[Feiyang1]

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 4a6f4be

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[google-oss-bot]

Size Analysis Report

Affected Products

No changes between base commit (b6a9bf0) and head commit (f313488).

Test Logs

• Base (b6a9bf0a): https://github.com/firebase/firebase-js-sdk/actions/runs/316542522
• Head (f3134888): https://github.com/firebase/firebase-js-sdk/actions/runs/316557764

[google-oss-bot]

Binary Size Report

Affected SDKs

No changes between base commit (b6a9bf0) and head commit (f313488).

Test Logs

• Base (b6a9bf0a): https://github.com/firebase/firebase-js-sdk/actions/runs/316542522
• Head (f3134888): https://github.com/firebase/firebase-js-sdk/actions/runs/316557764