fix: update broken stderr

Signed-off-by: hi-rustin <rustin.liu@gmail.com>

Author: Rustin170506

tests/ui/hygiene/panic-location.run.stderr

@@ -1,3 +1,3 @@
-thread 'main' panicked at library/alloc/src/raw_vec.rs:571:5:
+thread 'main' panicked at library/alloc/src/raw_vec.rs:570:5:
 capacity overflow
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace