chore: add empty line at the end of libexec/tfenv-list-remote

Author: Samuel Phan

libexec/tfenv-list-remote

@@ -89,4 +89,4 @@ if [[ "${TFENV_REVERSE_REMOTE:-0}" -eq 1 ]]; then
   remote_versions="$(awk '{a[i++]=$0} END {for (j=i-1; j>=0;) print a[j--] }' <<< "${remote_versions}")"
 fi;
 
-cat <<< "${remote_versions}"
+cat <<< "${remote_versions}"