docs(replay): clarify fast renderer option docs

[leohara]

📢 Type of change

• Bugfix
• New feature
• Enhancement
• Refactoring

📜 Description

This updates the enableFastViewRendering JSDoc to reference enableViewRendererV2 instead of the deprecated enableExperimentalViewRenderer.
The runtime behavior is unchanged; this only clarifies the current Mobile Replay iOS option pairing.

💡 Motivation and Context

The previous comment suggested that enableFastViewRendering should be used with enableExperimentalViewRenderer, but that option is deprecated in favor of enableViewRendererV2.
This makes the documentation match the current default option pairing used by Mobile Replay on iOS.

💚 How did you test it?

• git diff --check
  Not run:
• yarn workspace @sentry/react-native lint:fmt could not complete because this checkout does not have a node_modules install state.
• Full build/test suite, because this is a JSDoc-only change.

📝 Checklist

• I added tests to verify changes
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled
• I updated the docs if needed.
• I updated the wizard if needed.
• All tests passing
• No breaking changes

🔮 Next steps

None

[github-actions]

Semver Impact of This PR

⚪ None (no version bump detected)

📋 Changelog Preview

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• docs(replay): clarify fast renderer option docs by leohara in #6276

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[lucas-zimerman]

ご貢献ありがとうございます
LGTM!