fix escape codes in github comments

[chdsbd]

fixes comments like (see the [�]8;;):

warning[�]8;;https://squawkhq.com/docs/prefer-robust-stmts�\prefer-robust-stmts�]8;;�\]: Missing IF NOT EXISTS, the migration can't be rerun if it fails part way through.
    ╭▸ backend/recipeyak/migrations/0140_add_home_page_indexes.sql:8:1
    │
  8 │ CREATE INDEX CONCURRENTLY "recipe_view_user_last_visited" ON "recipe_view" ("user_id", "last_visited_at" DESC);
    │