Revise comment for exists()

[egilmorez]

Clarifying that this is a method, not a property (as it was in v8)

Thanks!

[changeset-bot]

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Latest commit: 0e9353a

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[google-oss-bot]

Size Report ¹

Affected Products

• firebase

  Type	Base (00916e7)	Merge (8a82584)	Diff
  firebase-firestore.js	780 kB	780 kB	-47 B (-0.0%)

Test Logs

• Base (00916e7): https://github.com/firebase/firebase-js-sdk/actions/runs/1786031943
• Merge (8a82584): https://github.com/firebase/firebase-js-sdk/actions/runs/1796152358

1. https://storage.googleapis.com/firebase-sdk-metric-reports/VROKx77pJI.html

[google-oss-bot]

Size Analysis Report ¹

Affected Products

No changes between base commit (00916e7) and merge commit (8a82584).

Test Logs

• Base (00916e7): https://github.com/firebase/firebase-js-sdk/actions/runs/1786031943
• Merge (8a82584): https://github.com/firebase/firebase-js-sdk/actions/runs/1796152358

1. https://storage.googleapis.com/firebase-sdk-metric-reports/ucUck4aQTY.html