Rename source to sensor

[sophie-cluml]

Close: #345

[codecov]

Codecov Report

Attention: Patch coverage is 91.89189% with 3 lines in your changes missing coverage. Please review.

Project coverage is 70.53%. Comparing base (39cd053) to head (b5a4dda).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/graphql/triage/response.rs	50.00%	2 Missing ⚠️
src/graphql/outlier.rs	90.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #368      +/-   ##
==========================================
+ Coverage   70.51%   70.53%   +0.01%     
==========================================
  Files          67       67              
  Lines       14420    14416       -4     
==========================================
  Hits        10168    10168              
+ Misses       4252     4248       -4     

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[sophie-cluml]

I fixed the commit message of the first commit, and rebased my PR on main branch without any conflict. I did not change the content of the code patch.