fix(install): return with right error code (#1915)

This resolves #1566.

Signed-off-by: Lorenzo Orsatti <49567430+lorsatti@users.noreply.github.com>
Co-authored-by: Christopher Phillips <cphillips918@gmail.com>

install.sh

@@ -694,6 +694,6 @@ main() (
 set +u
 if [ -z "${TEST_INSTALL_SH}" ]; then
   set -u
-  main "$@"
+  exit $(main "$@")
 fi
 set -u