Update composer.json

[bhuvidya]

The alias to the Facade seemed to be wrong.

Pull request type

What kind of pull request is this? Put an x in all the boxes that apply:

• [ x] Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Extend feature (non-breaking change which extends existing functionality)
• Change feature (non-breaking change which either changes or refactors existing functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

What does it change?

Adjust the "aliases" entry in composer.json.

Why this PR?

The path to the Facade appeared to be wrong.

How has this been tested?

Local testing va tinker.

Checklist

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• This PR addresses exactly one issue
• All changes were made in a fork of this project (preferably also in a separate branch)
• It follows the code style of this project
• Tests were added to cover the changes
• All previously existing tests still pass
• If the change to the code requires a change to the documentation, it has been updated accordingly
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