Target ES6 for Console Build

[wu-hui]

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[changeset-bot]

⚠️ No Changeset found

Latest commit: abea588

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 Report ¹

Affected Products

No changes between base commit (dd9acd0) and merge commit (3bba949).

Test Logs

• Base (dd9acd0): https://github.com/firebase/firebase-js-sdk/actions/runs/2927055041
• Merge (3bba949): https://github.com/firebase/firebase-js-sdk/actions/runs/2928676640

1. https://storage.googleapis.com/firebase-sdk-metric-reports/Xd7xUE936z.html

[google-oss-bot]

Size Analysis Report ¹

Affected Products

No changes between base commit (dd9acd0) and merge commit (3bba949).

Test Logs

• Base (dd9acd0): https://github.com/firebase/firebase-js-sdk/actions/runs/2927055041
• Merge (3bba949): https://github.com/firebase/firebase-js-sdk/actions/runs/2928676640

1. https://storage.googleapis.com/firebase-sdk-metric-reports/WgPIZxqMV9.html