fix: [#456] unknown feature stdsimd with ahash dep

It fixes this error:

```
error[E0635]: unknown feature `stdsimd`
  --> /home/josecelano/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ahash-0.8.6/src/lib.rs:99:42
   |
99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
   |                                          ^^^^^^^

error[E0635]: unknown feature `stdsimd`
  --> /home/josecelano/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ahash-0.7.7/src/lib.rs:33:42
   |
33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
   |                                          ^^^^^^^

    Checking bytemuck v1.14.0
For more information about this error, try `rustc --explain E0635`.
error: could not compile `ahash` (lib) due to 1 previous error
warning: build failed, waiting for other jobs to finish...
error: could not compile `ahash` (lib) due to 1 previous error
error: could not compile `ahash` (lib) due to 1 previous error
```

Author: josecelano