Rollup merge of #111756 - Urgau:rename_drop_forget_copy_ref_lints, r=fee1-dead

Rename `{drop,forget}_{copy,ref}` lints to more consistent naming

This PR renames previous uplifted lints in rust-lang/rust#109732 to more consistent naming.

I followed the renaming done [here](rust-lang/rust#53224) and also advocated in this [clippy issue](rust-lang/rust-clippy#2845):
   - `drop_copy` to `dropping_copy_types`
   - `forget_copy` to `forgetting_copy_types`
   - `drop_ref` to `dropping_references`
   - `forget_ref` to `forgetting_references`

Author: Dylan-DPC

tests/fail/stacked_borrows/illegal_write2.rs

@@ -1,4 +1,4 @@
-#![allow(drop_ref)]
+#![allow(dropping_references)]
 
 fn main() {
     let target = &mut 42;

tests/fail/uninit_buffer.rs

@@ -1,6 +1,6 @@
 //@error-in-other-file: memory is uninitialized at [0x4..0x10]
 
-#![allow(drop_copy)]
+#![allow(dropping_copy_types)]
 
 use std::alloc::{alloc, dealloc, Layout};
 use std::slice::from_raw_parts;

tests/fail/uninit_buffer_with_provenance.rs

@@ -1,7 +1,7 @@
 //@error-in-other-file: memory is uninitialized at [0x4..0x8]
 //@normalize-stderr-test: "a[0-9]+" -> "ALLOC"
 #![feature(strict_provenance)]
-#![allow(drop_copy)]
+#![allow(dropping_copy_types)]
 
 // Test printing allocations that contain single-byte provenance.
 

tests/pass/stacked-borrows/zst-field-retagging-terminates.rs

@@ -1,7 +1,7 @@
 //@compile-flags: -Zmiri-retag-fields
 // Checks that the test does not run forever (which relies on a fast path).
 
-#![allow(drop_copy)]
+#![allow(dropping_copy_types)]
 
 fn main() {
     let array = [(); usize::MAX];