`current_vars()` was deprecated in dplyr 0.8.4

[robocop-bob]

Error in `select()`:
! Problem while evaluating `sort(current_vars())`.
Caused by error:
! `current_vars()` was deprecated in dplyr 0.8.4 and is now defunct.
ℹ Please use `tidyselect::peek_vars()` instead.
Run `rlang::last_trace()` to see where the error occurred.