Show version without supplying a dummy action

fixes #12004
parsing x2 does not seem to break anything

lib/ansible/cli/vault.py

@@ -53,6 +53,9 @@ class VaultCLI(CLI):
             epilog = "\nSee '%s <command> --help' for more information on a specific command.\n\n" % os.path.basename(sys.argv[0])
         )
 
+        # Workaround for #12004: show version without supplying a dummy action
+        self.parser.parse_args()
+
         self.set_action()
 
         # options specific to self.actions