Function lift_async_fn8

pub fn lift_async_fn8<'a, T1, T2, T3, T4, T5, T6, T7, T8, T9, E1, F: FnOnce(T1, T2, T3, T4, T5, T6, T7, T8) -> BoxFuture<'a, Result<T9, E1>> + Send + Sync + 'a>(
    f: F,
) -> BoxedAsyncFn8<'a, T1, T2, T3, T4, T5, T6, T7, T8, T9, E1>

Function to box FnOnce sync function with 8 aguments and coerce it to BoxedAsyncFn8