Log Message:
(devel/R-roxygen2) Update 7.3.0 to 7.3.1

# roxygen2 7.3.1

* S3 method export warning no longer fails if class contains `{` or `}` (#1575).

* `@family` lists are now ordered more carefully, "foo1" comes after \ 
"foo"
  (#1563, @krlmlr).

* `@importFrom` works again for quoted non-syntactic names, e.g.
  `@importFrom magrittr "%>%"` or ``@importFrom rlang `:=` ``
  (#1570, @MichaelChirico). The unquoted form `@importFrom magrittr %>%`
  continues to work. Relatedly, `@importFrom` directives matching no known
  functions (e.g. `@importFrom utils plot pdf`) produce valid NAMESPACE files
  again.

* Multi-line `@rawNamespace` no longer break re-runs of `namespace_roclet()`
  (#1572, @MichaelChirico).