Update tasks/internal/publish-index-image-task/tests/mocks.sh

Co-authored-by: qodo-code-review[bot] <151058649+qodo-code-review[bot]@users.noreply.github.com>

Author: midnightercz

tasks/internal/publish-index-image-task/tests/mocks.sh

@@ -53,10 +53,9 @@ EOF
 export RELEASE_SERVICE_UTILS_FAKE_SKOPEO_SETUP=$fake_setup
 
 function python3() {
-args="${@:3}"
-$_python3 -c """
+  "$_python3" -c "
 from fake import patch_skopeo_client;
 patch_skopeo_client();
 from publish_index_image import main;
-main();" $args
+main();" "${@:3}"
 }