Auto merge of #13763 - rami3l:fix/gen-partial-eq-generic, r=Veykril

fix: add generic `TypeBoundList` in generated derivable impl

Potentially fixes #13727.

Continuing with the work in #13732, this fix tries to add correct type bounds in the generated `impl` block:

```diff
  enum Either<T, U> {
      Left(T),
      Right(U),
  }

- impl<T, U> PartialEq for Either<T, U> {
+ impl<T: PartialEq, U: PartialEq> PartialEq for Either<T, U> {
      fn eq(&self, other: &Self) -> bool {
          match (self, other) {
              (Self::Left(l0), Self::Left(r0)) => l0 == r0,
              (Self::Right(l0), Self::Right(r0)) => l0 == r0,
              _ => false,
          }
      }
  }
```

0 files changed, 0 insertions, 0 deletions