Use Node's TextEncoder in E2E JSDOM Environment

[dlarocque]

JSDOM does not provide a TextEncoder API, which causes the E2E Firestore tests to fail. To fix this, we can use Node's TextEncoder API.

Tested against the latest release 11.3.0, and confirmed that the e2e tests are now passing.

[changeset-bot]

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Latest commit: 131679a

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[github-actions]

Vertex AI Mock Responses Check ⚠️

A newer major version of the mock responses for Vertex AI unit tests is available. update_vertexai_responses.sh should be updated to clone the latest version of the responses: v6.1

[google-oss-bot]

Size Report ¹

Affected Products

No changes between base commit (4e6a5c6) and merge commit (9e1ac2c).

Test Logs

• Base (4e6a5c6): https://github.com/firebase/firebase-js-sdk/actions/runs/13187328462
• Merge (9e1ac2c): https://github.com/firebase/firebase-js-sdk/actions/runs/13249276222

1. https://storage.googleapis.com/firebase-sdk-metric-reports/uE5TPa9kV8.html

[google-oss-bot]

Size Analysis Report ¹

Affected Products

No changes between base commit (4e6a5c6) and merge commit (9e1ac2c).

Test Logs

• Base (4e6a5c6): https://github.com/firebase/firebase-js-sdk/actions/runs/13187328462
• Merge (9e1ac2c): https://github.com/firebase/firebase-js-sdk/actions/runs/13249276222

1. https://storage.googleapis.com/firebase-sdk-metric-reports/Q83jDOVvJB.html