Fix typo in configuration (#48364)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/48364

The configuration to run E2E tests on maestro has a typo that was outputting a warning in CI:

{F1974100056}

## Changelog
[Internal] - Fix typo on E2E test configuration

Reviewed By: robhogan

Differential Revision: D67599849

fbshipit-source-id: 9504f821172782e188ff524176bc4c2ec48dea97