upgrade flutter_math_fork version

Author: hifiaz

pubspec.yaml

@@ -31,7 +31,7 @@ dependencies:
   flutter_svg: '>=0.22.0 <1.0.0'
 
   # Plugin for rendering MathML
-  flutter_math_fork: '>=0.3.3+1 <1.0.0'
+  flutter_math_fork: '>=0.4.2+1 <1.0.0'
 
   # plugin for firstWhereOrNull extension on lists
   collection: '>=1.15.0 <2.0.0'