Update tests

Author: camelid

src/test/ui/parser/issue-66357-unexpected-unreachable.rs

@@ -13,4 +13,4 @@
 
 fn f() { |[](* }
 //~^ ERROR expected one of `,` or `:`, found `(`
-//~| ERROR expected one of `&`, `(`, `)`, `-`, `...`, `..=`, `..`, `[`, `_`, `box`, `mut`, `ref`, `|`, identifier, or path, found `*`
+//~| ERROR expected one of `&`, `(`, `)`, `-`, `...`, `..=`, `..`, `[`, `_`, `box`, `const`, `mut`, `ref`, `|`, identifier, or path, found `*`

src/test/ui/parser/issue-66357-unexpected-unreachable.stderr

@@ -4,7 +4,7 @@ error: expected one of `,` or `:`, found `(`
 LL | fn f() { |[](* }
    |             ^ expected one of `,` or `:`
 
-error: expected one of `&`, `(`, `)`, `-`, `...`, `..=`, `..`, `[`, `_`, `box`, `mut`, `ref`, `|`, identifier, or path, found `*`
+error: expected one of `&`, `(`, `)`, `-`, `...`, `..=`, `..`, `[`, `_`, `box`, `const`, `mut`, `ref`, `|`, identifier, or path, found `*`
   --> $DIR/issue-66357-unexpected-unreachable.rs:14:14
    |
 LL | fn f() { |[](* }

src/test/ui/parser/keyword-const-as-identifier.stderr

@@ -8,7 +8,7 @@ error[E0658]: inline-const is experimental
   --> $DIR/keyword-const-as-identifier.rs:2:9
    |
 LL |     let const = "foo";
-   |         ^^^^^
+   |         ^^^^^^^
    |
    = note: see issue #76001 <https://github.com/rust-lang/rust/issues/76001> for more information
    = help: add `#![feature(inline_const)]` to the crate attributes to enable