Update dependencies and remove unneeded things. This allows building on node v22. Also rely on configs for eslint/prettier so CI and command line runs are guaranteed to be consistent.

src/Disp/HelperFunctions/GetLumpColour.js

@@ -5,7 +5,7 @@ import {
   ColourPurple,
   ColourRed,
   ColourYellow,
-} from '../VariablesAndData';
+} from '../VariablesAndData.js';
 
 /**
  * This function returns Name and Colour as object for sugar lump type that is given as input param.