Modal text inputs are always marked as required

[Drowrin]

In version 0.1.3, all TextInput components are marked as required, even if required=False is passed to the constructor.

I believe this is due to this line:
https://github.com/brazier-dev/hikari-flare/blob/main/flare/components/modal.py#L207

[hypergonial]

Fixed in #113