Update screenshot to 2.4

Author: anitagraser

README.md

@@ -46,10 +46,9 @@ The Trajectools plugin can be installed directly in QGIS using the built-in Plug
 
 **Figure 1: QGIS Plugin Manager with Trajectools plugin installed.**
 
-![image](https://github.com/user-attachments/assets/194ec6ed-2379-4572-b58b-a252d973f064)
+![toolbox](screenshots/toolbox.PNG)
 
-
-**Figure 2: Trajectools (v2.3) algorithms in the QGIS Processing toolbox**
+**Figure 2: Trajectools (v2.4) algorithms in the QGIS Processing toolbox**
 
 ## Examples