Build name change

[RiccardoM]

Description

Changed the build name to the correct 0.4.1, and the code to 4012 (to make sure it's published to Android)

Checklist

• [ ] Targeted PR against correct branch.
• [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• [ ] Wrote unit tests.
• [ ] Run flutter format.
• [ ] Updated the documentation.
• [ ] Added an entry to the CHANGELOG.md file.
• [ ] Re-reviewed Files changed in the Github PR explorer.

[codecov[bot]]

Codecov Report

Merging #78 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #78   +/-   ##
=======================================
  Coverage   17.56%   17.56%           
=======================================
  Files         256      256           
  Lines        6247     6247           
=======================================
  Hits         1097     1097           
  Misses       5150     5150           

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