update ui tests

Author: fu5ha

tests/ui/async-await/pin-needed-to-poll-2.stderr

@@ -13,7 +13,7 @@ note: required because it appears within the type `Sleep`
    |
 LL | struct Sleep(std::marker::PhantomPinned);
    |        ^^^^^
-note: required by a bound in `Pin::<P>::new`
+note: required by a bound in `Pin::<Ptr>::new`
   --> $SRC_DIR/core/src/pin.rs:LL:COL
 
 error: aborting due to 1 previous error

tests/ui/closures/coerce-unsafe-closure-to-unsafe-fn-ptr.stderr

@@ -1,4 +1,4 @@
-error[E0133]: call to unsafe function `Pin::<P>::new_unchecked` is unsafe and requires unsafe function or block
+error[E0133]: call to unsafe function `Pin::<Ptr>::new_unchecked` is unsafe and requires unsafe function or block
   --> $DIR/coerce-unsafe-closure-to-unsafe-fn-ptr.rs:2:31
    |
 LL |     let _: unsafe fn() = || { ::std::pin::Pin::new_unchecked(&0_u8); };

tests/ui/self/arbitrary_self_types_pin_needing_borrow.stderr

@@ -6,7 +6,7 @@ LL |     Pin::new(S).x();
    |     |
    |     required by a bound introduced by this call
    |
-note: required by a bound in `Pin::<P>::new`
+note: required by a bound in `Pin::<Ptr>::new`
   --> $SRC_DIR/core/src/pin.rs:LL:COL
 help: consider borrowing here
    |

tests/ui/suggestions/expected-boxed-future-isnt-pinned.stderr

@@ -52,7 +52,7 @@ LL |     Pin::new(x)
    |
    = note: consider using the `pin!` macro
            consider using `Box::pin` if you need to access the pinned value outside of the current scope
-note: required by a bound in `Pin::<P>::new`
+note: required by a bound in `Pin::<Ptr>::new`
   --> $SRC_DIR/core/src/pin.rs:LL:COL
 
 error[E0277]: `dyn Future<Output = i32> + Send` cannot be unpinned
@@ -65,7 +65,7 @@ LL |     Pin::new(Box::new(x))
    |
    = note: consider using the `pin!` macro
            consider using `Box::pin` if you need to access the pinned value outside of the current scope
-note: required by a bound in `Pin::<P>::new`
+note: required by a bound in `Pin::<Ptr>::new`
   --> $SRC_DIR/core/src/pin.rs:LL:COL
 
 error[E0308]: mismatched types