revlogv2: mark revlogv2 as requires a full upgrade

This was overlooked previously.

Differential Revision: https://phab.mercurial-scm.org/D10623

mercurial/upgrade_utils/actions.py

@@ -30,6 +30,7 b' if pycompat.TYPE_CHECKING:'
 RECLONES_REQUIREMENTS = {
     requirements.GENERALDELTA_REQUIREMENT,
     requirements.SPARSEREVLOG_REQUIREMENT,
+    requirements.REVLOGV2_REQUIREMENT,
 }