[Chore] Fix one bat test

Problem: somehow, after the previous commits one test broke, now
xrefcheck outputs location where previously it didn't.

Solution: it seems for good, so update the expected output in that test.

tests/golden/check-autolinks/check-autolinks.bats

@@ -16,7 +16,7 @@ assert_diff - <<EOF
 
   file-with-autolinks.md:
     - references:
-        - reference (external):
+        - reference (external) at src:6:22-52:
             - text: "https://www.google.com/doodles"
             - link: https://www.google.com/doodles
         - reference (external) at src:8:0-18: