feat: Glimmer component for editing a token modal

[minghay]

Context

Updating the V2 UI for pipeline secrets requires a new set of components to handle management of tokens. This modal provides a new user experience that is in line with the rest of the V2 user experience leveraging modals more heavily for user interactions.

Objective

Creates a new modal for facilitating updating of API tokens

References

https://github.com/screwdriver-cd/screwdriver/issues/3200

License

I confirm that this contribution is made under the terms of the license found in the root directory of this repository's source tree and that I have the authority necessary to make this contribution on behalf of its copyright owner.