fix the df -h printout
# Clean up some of the stuff pre-installed on Github Actions boxes
# so we have >10GB to work with.
-echo "Starting space: $(df -h | grep /dev/sda1)"
+echo "Starting space: $(df -h | grep " /$")"
# Based on https://github.com/actions/virtual-environments/issues/709
# Removes 5GB
