rustdoc: update with --bless and change expected errors

Author: megakorre

tests/rustdoc-ui/invalid-toplevel-const.stderr

@@ -1,5 +1,5 @@
 error[E0121]: the placeholder `_` is not allowed within types on item signatures for static items
-  --> $DIR/invalid-toplevel-const.rs:2:31
+  --> $DIR/invalid-toplevel-const.rs:1:31
    |
 LL | static CONST: Option<dyn Fn(& _)> = None;
    |                               ^ not allowed in type signatures

tests/rustdoc-ui/issue-105742.rs

@@ -1,19 +1,37 @@
 // compile-flags: -Znormalize-docs
-
 use std::ops::Index;
 
 pub fn next<'a, T>(s: &'a mut dyn SVec<Item = T, Output = T>) {
+    //~^ERROR
+    //~|ERROR
+    //~|ERROR
     let _ = s;
 }
 
 pub trait SVec: Index<
     <Self as SVec>::Item,
+    //~^ERROR
+    //~|ERROR
+    //~|ERROR
+    //~|ERROR
     Output = <Index<<Self as SVec>::Item,
+    //~^ERROR
+    //~|ERROR
+    //~|ERROR
+    //~|ERROR
     Output = <Self as SVec>::Item> as SVec>::Item,
+    //~^ERROR
+    //~|ERROR
+    //~|ERROR
+    //~|ERROR
+    //~|ERROR
+    //~|ERROR
+    //~|ERROR
+    //~|ERROR
 > {
     type Item<'a, T>;
 
     fn len(&self) -> <Self as SVec>::Item;
-    //~^ ERROR
-    //~^^ ERROR
+    //~^ERROR
+    //~|ERROR
 }