Fix #17927. Instead of pointing to a file in Docker's GitHub repo on `master` (which got renamed, breaking the link), point to a specific version (the current latest). As a bonus, we now highlight the most relevant lines, without becoming more fragile. Signed-off-by: Paolo G. Giarrusso <p.giarrusso@gmail.com> Upstream-commit: 6b02876362680a1acd2c0fb1fdd85183cee03f20 Component: engine