[lockfile-explorer] fix: exit with 0 for lockfile-explorer --help
#4710
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Summary
This is a bugfix for
lockfile-explorer --help
not exiting with 0 code.Details
How it was tested
Added a
.test.ts
for the args parser, but not covering exitCode (it's a global status belong thestart.ts
which is harder to be tested).Impacted documentation
No doc to be updated as it's a bugfix.