Add workflow to update API reports automatically

[Feiyang1]

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 1851b2e

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]

Binary Size Report

Affected SDKs

No changes between base commit (3ac9272) and head commit (2f4411d).

Test Logs

• Base (3ac92724): https://github.com/firebase/firebase-js-sdk/actions/runs/1069371654
• Head (2f4411dd): https://github.com/firebase/firebase-js-sdk/actions/runs/1072079197

[google-oss-bot]

Size Analysis Report

Affected Products

No changes between base commit (3ac9272) and head commit (2f4411d).

Test Logs

• Base (3ac9272): https://github.com/firebase/firebase-js-sdk/actions/runs/1069371654
• Head (2f4411d): https://github.com/firebase/firebase-js-sdk/actions/runs/1072079197

[google-cla]

We found a Contributor License Agreement for you (the sender of this pull request), but were unable to find agreements for all the commit author(s) or Co-authors. If you authored these, maybe you used a different email address in the git commits than was used to sign the CLA (login here to double check)? If these were authored by someone else, then they will need to sign a CLA as well, and confirm that they're okay with these being contributed to Google.
In order to pass this check, please resolve this problem and then comment @googlebot I fixed it.. If the bot doesn't comment, it means it doesn't think anything has changed.

ℹ️ Googlers: Go here for more info.

[google-cla]

We found a Contributor License Agreement for you (the sender of this pull request), but were unable to find agreements for all the commit author(s) or Co-authors. If you authored these, maybe you used a different email address in the git commits than was used to sign the CLA (login here to double check)? If these were authored by someone else, then they will need to sign a CLA as well, and confirm that they're okay with these being contributed to Google.
In order to pass this check, please resolve this problem and then comment @googlebot I fixed it.. If the bot doesn't comment, it means it doesn't think anything has changed.

ℹ️ Googlers: Go here for more info.

[github-actions]

Changeset File Check ✅

• No modified packages are missing from the changeset file.
• No changeset formatting errors detected.