ci: more icons for labeler

[teolemon]

What

ci: more icons for labeler

[g123k]

Why do still keep some items in lower case?
Shouldn't we harmonize everything?

[codecov-commenter]

Codecov Report

Attention: 33 lines in your changes are missing coverage. Please review.

Comparison is base (5eb9db7) 9.87% compared to head (0a84bf7) 9.85%.
Report is 2 commits behind head on develop.

Files	Patch %	Lines
...oth_app/lib/pages/onboarding/country_selector.dart	0.00%	19 Missing ⚠️
.../smooth_app/lib/pages/onboarding/welcome_page.dart	0.00%	14 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #4832      +/-   ##
==========================================
- Coverage     9.87%   9.85%   -0.02%     
==========================================
  Files          312     312              
  Lines        15820   15839      +19     
==========================================
- Hits          1562    1561       -1     
- Misses       14258   14278      +20     

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