Add new build_path_in_line_annotations_added_by_ruby_ragel toolchani issue.

issues.yml

@@ -2465,3 +2465,8 @@ manpages_generated_by_node_marked_man_vary_on_build_timezone:
     Occurs if SOURCE_DATE_EPOCH is +/- 12 hours of month changeing over (and
     build timezones are deliberately extreme)
   bugs: https://bugs.debian.org/1030724
+build_path_in_line_annotations_added_by_ruby_ragel:
+  description: |
+    ragel is a library to compile finite state machines into code, similar to
+    Bison/YACC etc. It can add line annotations that use the absolute build
+    path.