Explicitly convert $@ to array (#681)
Explicitly convert $@ to array (#681)

Apparently the shasum256 artifact is empty, because bash doesn't
implicitly splits the command line arguments into an array:

`SHA256 is , creating artifact for it`
testbhearsum/balrog,testbhearsum/balrog,mozbhearsum/balrog,mozbhearsum/balrog,testbhearsum/balrog,mozbhearsum/balrog,mozbhearsum/balrog,testbhearsum/balrog