Dummy placeholder for changes in 5.18

(cherry picked from commit 156093c8b8b9ab024ef4c82731157ba9c8d0b08b)

Source commit: 998f315ebea4e2b88d907717ba8d37345705648d

source/resource/Propagation.rc

@@ -71,4 +71,6 @@ BEGIN
   NEW_5_16_ARCHIVE_DOWNLOAD, "Extension 'Archive and Download' to archive remote files and download the archive"
   NEW_5_16_SYNC_CHECKLIST, "Improvements to Synchronization checklist window"
   NEW_5_16_FIND_SORT, "Find results can be sorted"
+
+  NEW_5_18_TBD, "TBD"
 END