Stage pubspec lock file

[bdmendes]

Closes #959

Review checklist

• Terms and conditions reflect the current change
• Contains enough appropriate tests
• If aimed at production, writes a new summary in whatsnew/whatsnew-pt-PT
• Properly adds an entry in changelog.md with the change
• If PR includes UI updates/additions, its description has screenshots
• Behavior is as expected
• Clean, well-structured code

[codecov]

Codecov Report

Merging #960 (fd09bd5) into develop (60c7d5b) will increase coverage by 1%.
Report is 25 commits behind head on develop.
The diff coverage is 25%.

Additional details and impacted files

@@          Coverage Diff           @@
##           develop   #960   +/-   ##
======================================
+ Coverage       22%    23%   +1%     
======================================
  Files          143    143           
  Lines         4357   4349    -8     
======================================
+ Hits           948    964   +16     
+ Misses        3409   3385   -24     

[LuisDuarte1]

I suggest creating, another PR for this, since the master bump version action has overwritten this