update log file permissions to 0644 (#511)
update log file permissions to 0644 (#511)

Signed-off-by: Christopher Angelo Phillips <847f2b61d5c621bb08ee2878f5b10553750df394@anchore.com>
anchore/syft,anchore/syft,anchore/syft,anchore/syft,anchore/syft,anchore/syft,anchore/syft