Adding the option seed = 0 into the jitter argument (#6035)

Fixes #5875

Author: agmurray

DESCRIPTION

@@ -78,7 +78,7 @@ Config/testthat/edition: 3
 Encoding: UTF-8
 LazyData: true
 Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.3.1
+RoxygenNote: 7.3.2
 Collate: 
     'ggproto.R'
     'ggplot-global.R'

R/position-jitter.R

@@ -41,7 +41,7 @@
 #'   geom_jitter(position = position_jitter(width = 0.1, height = 0.1))
 #'
 #' # Create a jitter object for reproducible jitter:
-#' jitter <- position_jitter(width = 0.1, height = 0.1)
+#' jitter <- position_jitter(width = 0.1, height = 0.1, seed = 0)
 #' ggplot(mtcars, aes(am, vs)) +
 #'   geom_point(position = jitter) +
 #'   geom_point(position = jitter, color = "red", aes(am + 0.2, vs + 0.2))