Warning in build

```
* checking for empty or unneeded directories
Omitted ‘LazyData’ from DESCRIPTION
  NB: this package now depends on R (>= 4.1.0)
  WARNING: Added dependency on R >= 4.1.0 because package code uses the
  pipe |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘tt_row_path_exists.Rd’
```