docs: Redocument with roxygen2 8.0.0 (#358)

Author: etiennebacher

DESCRIPTION

@@ -23,7 +23,6 @@ Description: Polars is a cross-language tool for manipulating very large data.
 License: MIT + file LICENSE
 Encoding: UTF-8
 LazyData: true
-RoxygenNote: 7.3.3
 Roxygen: list(markdown = TRUE)
 URL: https://tidypolars.etiennebacher.com, https://etiennebacher.r-universe.dev/tidypolars
 BugReports: https://github.com/etiennebacher/tidypolars/issues
@@ -58,3 +57,4 @@ Suggests:
 VignetteBuilder: knitr
 Config/testthat/edition: 3
 Config/testthat/parallel: true
+Config/roxygen2/version: 8.0.0