Bump RoxygenNote version to 7.3.1

Change-Id: I06c28c3b2b80f7c1481c3d3f50a2aeda9e14aceb
diff --git a/DESCRIPTION b/DESCRIPTION
index b2f7978..0b84a64 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -30,7 +30,7 @@
 BugReports: https://github.com/KorAP/RKorAPClient/issues
 Encoding: UTF-8
 LazyData: false
-RoxygenNote: 7.2.3
+RoxygenNote: 7.3.1
 Imports:
     R.cache,
     broom,