`tidyselect::all_of()` deprecation warning

[jpdunc23]

There's a new warning for deprecated usage of all_of() in tidyselect 1.2.0. This causes R CMD check to fail.

── Warning ('test-evaluator-lib.R:81'): Functions in Evaluator prediction library work properly ──
  Using `all_of()` outside of a selecting function was deprecated in tidyselect 1.2.0.
  i See details at <https://tidyselect.r-lib.org/reference/faq-selection-context.html>
  Backtrace:
    1. simChef::eval_pred_err(...)
         at test-evaluator-lib.R:81:2
   20. tidyselect::all_of(c(rep(".all", nrow(data)), groups))