Migrate package pipelines from magrittr %>% to native R |>

[Copilot]

This updates the package to use R’s native pipe operator across code and supporting materials, removing reliance on magrittr pipe syntax. The change is applied package-wide so behavior and style stay consistent.

• Pipeline syntax migration

  • Replaced %>% with |> in package source under R/
  • Applied the same conversion in tests/, vignettes/, and data-raw/ to keep examples and helpers aligned

• Package metadata / namespace cleanup

  • Removed magrittr from DESCRIPTION imports
  • Removed magrittr pipe import entries from roxygen package metadata and NAMESPACE

• Illustrative change

  # before
  y.proc %>%
    filter(Event %in% c("R", "E")) %>%
    select(Event, Lat, Lon)
  
  # after
  y.proc |>
    filter(Event %in% c("R", "E")) |>
    select(Event, Lat, Lon)