Change for i in ls to for i in *

Fixes #3 (comment).

.github/workflows/build-ants.yml

@@ -69,7 +69,7 @@ jobs:
         # snip out the apps we need for https://github.com/neuropoly/spinalcordtoolbox, since including all of ANTS is too much
         mkdir sct-apps/
         cp antsbin/ANTS-build/Examples/{antsRegistration,antsSliceRegularizedRegistration,antsApplyTransforms,ComposeMultiTransform} sct-apps
-        (cd sct-apps; for i in `ls`; do mv $i isct_$i; done)
+        (cd sct-apps; for i in *; do mv $i isct_$i; done)
         cp COPYING.txt sct-apps
         tar -zcvf sct-apps_${{ env.ARTIFACT }}.tar.gz sct-apps/
       continue-on-error: true