increase column group count

Author: jpinsonneau

web/cypress/support/const.ts

@@ -10,7 +10,7 @@ export const availablePanelsCount = 4;
 export const defaultPanelsCount = 2;
 
 // table specific config
-export const availableColumnGroupCount = 29;
+export const availableColumnGroupCount = 30;
 export const availableColumnCount = 56;
 export const defaultColumnGroupCount = 6;
 export const defaultColumnCount = 11;