`float.to_precision` is imprecise in Javascript

Code:

```gleam
  { 1_237_698.0 /. 1_000_000.0 }
  |> float.to_precision(1)
  |> io.debug
```

Output:

```
1.2000000000000002
```

Gleam 1.5.1
stdlib 0.43.0