Update to Xcode 16.1

NSWritingToolsAllowedInputOptions was removed, but we didn't expose that
yet (it was added in Xcode 16.0), so I've left it out of the changelog.

crates/header-translator/src/stmt.rs

@@ -1854,7 +1854,7 @@ impl Stmt {
                             // The object inherits from `NSObject` or `NSProxy` no
                             // matter what the generic type is, so this must be
                             // safe.
-                            ("Foundation", "NSObjectProtocol") => ("?Sized", None),
+                            ("objc2", "NSObjectProtocol") => ("?Sized", None),
                             // Encoding and decoding requires that the inner types
                             // are codable as well.
                             ("Foundation", "NSCoding") => ("?Sized + NSCoding", None),

crates/objc2/src/topics/about_generated/CHANGELOG.md

@@ -54,10 +54,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * **BREAKING**: Renamed `from_id_slice` to `from_retained_slice`.
 * **BREAKING**: Renamed `NSString::as_str` to `to_str`, and made it `unsafe`,
   since we cannot ensure that the given pool is actually the innermost pool.
-* Updated SDK from Xcode 15.4 to 16.0.
+* Updated SDK from Xcode 15.4 to 16.1.
 
   View the release notes to learn more details:
   - [16.0](https://developer.apple.com/documentation/xcode-release-notes/xcode-16-release-notes)
+  - [16.1](https://developer.apple.com/documentation/xcode-release-notes/xcode-16_1-release-notes)
 
   Breaking changes are noted elsewhere in this changelog entry.
 * **BREAKING**: `NSWindowSharingReadWrite` was deprecated, and moved from
@@ -134,6 +135,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   - `MEMessageSecurityHandler`
   - `PHContentEditingController`
   - `PHLivePhotoViewDelegate`
+  - `NSCollectionView*` classes
+  - `NSCollectionLayout*` classes and protocols
+  - `NSTableColumn`
   - A bunch of things in `WebKit`.
 * **BREAKING**: Marked methods on the `NSObjectUIAccessibility` category as
   `MainThreadOnly`.

crates/objc2/src/topics/about_generated/README.md

@@ -22,11 +22,11 @@ for the [`block2`] crate for how to call such methods using a closure.
 
 ## Currently supported versions
 
-- macOS: `10.12-15.0`
-- iOS/iPadOS: `10.0-18.0` (WIP)
-- tvOS: `10.0-18.0` (WIP)
-- watchOS: `5.0-11.0` (WIP)
-- visionOS: `1.0-2.0` (WIP)
+- macOS: `10.12-15.1`
+- iOS/iPadOS: `10.0-18.1` (WIP)
+- tvOS: `10.0-18.1` (WIP)
+- watchOS: `5.0-11.1` (WIP)
+- visionOS: `1.0-2.1` (WIP)
 
-These bindings are currently generated from the SDKs in Xcode 16.0.
+These bindings are currently generated from the SDKs in Xcode 16.1.
 The Xcode version will be periodically updated.