Update ui test suite to nightly-2022-08-23

Author: dtolnay

tests/ui/test-not-send.stderr

@@ -1,8 +1,8 @@
 error[E0277]: `proc_macro::Span` cannot be sent between threads safely
- --> test-not-send.rs:5:5
+ --> test-not-send.rs:5:21
   |
 5 |     requires_send::<Span>();
-  |     ^^^^^^^^^^^^^^^^^^^^^ `proc_macro::Span` cannot be sent between threads safely
+  |                     ^^^^ `proc_macro::Span` cannot be sent between threads safely
   |
   = help: within `Span`, the trait `Send` is not implemented for `proc_macro::Span`
   = note: required because it appears within the type `proc_macro2::imp::Span`
@@ -14,10 +14,10 @@ note: required by a bound in `requires_send`
   |                         ^^^^ required by this bound in `requires_send`
 
 error[E0277]: `Rc<()>` cannot be sent between threads safely
- --> test-not-send.rs:5:5
+ --> test-not-send.rs:5:21
   |
 5 |     requires_send::<Span>();
-  |     ^^^^^^^^^^^^^^^^^^^^^ `Rc<()>` cannot be sent between threads safely
+  |                     ^^^^ `Rc<()>` cannot be sent between threads safely
   |
   = help: within `Span`, the trait `Send` is not implemented for `Rc<()>`
   = note: required because it appears within the type `proc_macro2::marker::ProcMacroAutoTraits`