Customizable "required" label value

Describe the problem to be solved
I'm currently using redoc to expose a documentation of my API for my consumers. The API itself is generated with openapi generator which also generates the client in form of a package. Such package is used in another service of mine. I want to properly annotate what property is not nullable.

If I do something like

required:
    - propertyA

in the redoc result page, such property will be having a "required" word... this case is present in your demo page in here. Taking that as an example, it doesn´t make sense to mark as "required" properties in the result body like so:

Is it there a way to change this "required" keyword for something like "Non nullable" or simply not showing it?

If not, consider this an enhancement for additional customization

Take in mind that is not only tech people who will read the redoc's generated page and this is something that can cause confusion.

No file, test, or entry point is identified in the issue. Start by locating the rendering of the OpenAPI required label in the generated documentation and determine how display text or visibility could be configured. Done means supporting a configurable replacement such as “Non nullable” or hiding the label without changing the API specification.