Made -S short flag work properly

[leo]

By mistake, the PR for --scope included -s instead of the intended -S.

[codecov-io]

Codecov Report

Merging #1988 into canary will decrease coverage by 0.25%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           canary   #1988      +/-   ##
=========================================
- Coverage    6.53%   6.27%   -0.26%     
=========================================
  Files          90      90              
  Lines        4118    4111       -7     
=========================================
- Hits          269     258      -11     
- Misses       3849    3853       +4

Impacted Files	Coverage Δ
src/util/get-files.js	96.89% <0%> (-3.11%)	⬇️
src/util/read-metadata.js	100% <0%> (ø)	⬆️
src/util/get-project-name.js	100% <0%> (ø)	⬆️
src/util/hash.js	100% <0%> (ø)	⬆️
src/util/error.js	100% <0%> (ø)	⬆️

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