docs: fix static params as promise examples (#72553)
## Improving Documentation
dynamic `params` from `generateStaticParams` is now a promise but is now
promise in type.
Type has been changed for every Promise `params`.
Co-authored-by: Delba de Oliveira <32464864+delbaoliveira@users.noreply.github.com>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
