### What?
Export the default Payload JWTAuthentication strategy function for
extending and using in your own custom auth strategies that need to rely
on JWT.
### Why?
This makes it more simple to implement your own custom auth strategy.
All you need to do is set a valid JWT token as a cookie and then import
the default auth strategy so that the user will be recognized.
### How?
Exports the function and makes it reusable by adding a to the args a
strategyName prop. In the `executeAuthStrategies` function we assign the
strategyName from the configured `auth.strategies` own `name` property.
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