Decrease focus area in Simon game task

[saeub]

No description provided.

[codecov]

Codecov Report

Merging #30 (fd02a71) into dev (ac5bcd2) will decrease coverage by 0.13%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##              dev      #30      +/-   ##
==========================================
- Coverage   66.06%   65.93%   -0.14%     
==========================================
  Files          21       21              
  Lines        2092     2084       -8     
==========================================
- Hits         1382     1374       -8     
  Misses        710      710              

Impacted Files	Coverage Δ
lib/src/tasks/simon_game.dart	100.00% <100.00%> (ø)

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