[ECO-23439] Add --move-2 flag to rewards publish command (#373)

src/move/rewards/README.md

@@ -35,6 +35,7 @@ NAMED_ADDRESSES=$(
 )
 aptos move publish \
     --assume-yes \
+    --move-2 \
     --named-addresses $NAMED_ADDRESSES \
     --profile $PROFILE
 ```