feat: add PrecompileError::Other

[fgimenez]

Catch-all variant for custom precompiles failures.

[mattsse]

nit:
we can add a function:

impl PrecompileError {

  pub fn other(err: impl Into<String>) -> Self {
     Self::Other(err.into())
  }
}

[fgimenez]

we can add a function:

sure done

Into added