add the missing changeset for @firebase/util

[Feiyang1]

It was changed in #4543 without a changeset

[changeset-bot]

🦋 Changeset detected

Latest commit: ec8229b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 35 packages

Name	Type
@firebase/util	Minor
@firebase/analytics	Patch
@firebase/app	Patch
@firebase/component	Patch
@firebase/database	Patch
firebase	Patch
@firebase/firestore	Patch
@firebase/installations	Patch
@firebase/messaging	Patch
@firebase/performance	Patch
@firebase/remote-config	Patch
@firebase/rules-unit-testing	Patch
@firebase/storage	Patch
@firebase/functions	Patch

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[google-oss-bot]

Size Analysis Report

Affected Products

No changes between base commit (97bde41) and head commit (fd2756d).

Test Logs

• Base (97bde41): https://github.com/firebase/firebase-js-sdk/actions/runs/638309383
• Head (fd2756d): https://github.com/firebase/firebase-js-sdk/actions/runs/638335276

[google-oss-bot]

Binary Size Report

Affected SDKs

No changes between base commit (97bde41) and head commit (fd2756d).

Test Logs

• Base (97bde41a): https://github.com/firebase/firebase-js-sdk/actions/runs/638309383
• Head (fd2756d8): https://github.com/firebase/firebase-js-sdk/actions/runs/638335276