refactor(scale_pattern): ♻️ use var instead of int for variable i…

…nitialization

Signed-off-by: Albert Mañosa <26429103+albertms10@users.noreply.github.com>

lib/src/scale/scale_pattern.dart

@@ -279,15 +279,15 @@ final class ScalePattern {
     assert(sequence > 0, 'Sequence must be greater than 0');
 
     final degrees = [
-      for (int i = 0; i < chromaticDivisions; i++)
+      for (var i = 0; i < chromaticDivisions; i++)
         if (sequence.bitAt(i) != 0) PitchClass(i),
       PitchClass.c,
     ];
     final descendingDegrees = descendingSequence == null
         ? null
         : [
             PitchClass.c,
-            for (int i = chromaticDivisions - 1; i >= 0; i--)
+            for (var i = chromaticDivisions - 1; i >= 0; i--)
               if (descendingSequence.bitAt(i) != 0) PitchClass(i),
           ];