Update ui test suite to nightly-2022-11-16

Author: dtolnay

tests/ui/empty-ensure.stderr

@@ -4,4 +4,9 @@ error: unexpected end of macro invocation
 4 |     ensure!();
   |     ^^^^^^^^^ missing tokens in macro arguments
   |
+note: while trying to match meta-variable `$cond:expr`
+ --> src/ensure.rs
+  |
+  |     ($cond:expr $(,)?) => {
+  |      ^^^^^^^^^^
   = note: this error originates in the macro `$crate::__parse_ensure` which comes from the expansion of the macro `ensure` (in Nightly builds, run with -Z macro-backtrace for more info)