ST. JOHN’S, N.L.—A kilt-wearing Scotsman and his dog completed an 8,000-kilometre fundraising walk across Canada on Sunday by striding into an icy breeze atop Cape Spear on the eastern edge of Newfoundland. Michael Yellowlees and his Alaskan husky, Luna, started their journey in Tofino, B.C., nine months ago. “I’m feeling pretty pumped, but I can’t…