update group for 2023

2_using_the_ifb_cloud.Rmd

@@ -29,7 +29,7 @@ Instead of working on your computer where you don't have an Unix-like OS or have
    5. Login
    6. Complete the form with your **Name**, **First Name**, **Town** and **Zip Code**. You can ignore the other field and click on **accept**.
    7. Go to your **Groups** parameters on the top right ![group_selection_ifb](./img/group_selection_ifb.png)
-   8. Click on ![join_a_group](./img/join_a_group.png) and type **LBMC Unix 2022**
+   8. Click on ![join_a_group](./img/join_a_group.png) and type **CAN UNIX 2023**
    9. You can click on the **+** sign to register and wait to be accepted in the group
 
 ## Starting the LBMC Unix 2022 appliance