Update redirected urls from urlchecker::url_check()

Author: ateucher

NEWS.md

@@ -473,7 +473,7 @@ The `name` argument to `use_mit_license()` has been changed to `copyright_holder
 
 ## RStudio preferences
 
-usethis is now fully cognizant of the [changes to RStudio preferences](https://www.rstudio.com/blog/rstudio-1-3-preview-configuration/) in RStudio 1.3:
+usethis is now fully cognizant of the [changes to RStudio preferences](https://posit.co/blog/rstudio-1-3-preview-configuration/) in RStudio 1.3:
 
 `edit_rstudio_snippets()` looks in the new location, and if you have snippets in the old location, will automatically copy them to the new location (#1204)
 

R/course.R

@@ -137,7 +137,7 @@ use_zip <- function(url,
 #' ## DropBox
 #'
 #' To make a folder available for ZIP download, create a shared link for it:
-#' * <https://help.dropbox.com/files-folders/share/view-only-access>
+#' * <https://help.dropbox.com/share/create-and-share-link>
 #'
 #' A shared link will have this form:
 #' ```
@@ -152,8 +152,8 @@ use_zip <- function(url,
 #' This download link (or a shortlink that points to it) is suitable as input
 #' for `tidy_download()`. After one or more redirections, this link will
 #' eventually lead to a download URL. For more details, see
-#' <https://help.dropbox.com/files-folders/share/force-download> and
-#' <https://help.dropbox.com/installs-integrations/sync-uploads/download-entire-folders>.
+#' <https://help.dropbox.com/share/force-download> and
+#' <https://help.dropbox.com/sync/download-entire-folders>.
 #'
 #' ## GitHub
 #'

R/create.R

@@ -15,7 +15,7 @@
 #' @param roxygen Do you plan to use roxygen2 to document your package?
 #' @param rstudio If `TRUE`, calls [use_rstudio()] to make the new package or
 #'   project into an [RStudio
-#'   Project](https://support.rstudio.com/hc/en-us/articles/200526207-Using-Projects).
+#'   Project](https://support.posit.co/hc/en-us/articles/200526207-Using-Projects).
 #'    If `FALSE` and a non-package project, a sentinel `.here` file is placed so
 #'   that the directory can be recognized as a project by the
 #'   [here](https://here.r-lib.org) or
@@ -159,7 +159,7 @@ create_project <- function(path,
 #'   "https://github.acme.com/api/v3" or "https://github.acme.com" is
 #'   acceptable.
 #' @param rstudio Initiate an [RStudio
-#'   Project](https://support.rstudio.com/hc/en-us/articles/200526207-Using-Projects)?
+#'   Project](https://support.posit.co/hc/en-us/articles/200526207-Using-Projects)?
 #'   Defaults to `TRUE` if in an RStudio session and project has no
 #'   pre-existing `.Rproj` file. Defaults to `FALSE` otherwise (but note that
 #'   the cloned repo may already be an RStudio Project, i.e. may already have a