Publish core-text 21.1.0.

[jdm]

Included:

• Update/remove obsolete badges and update link #663
• Fix support for macOS 14 #668
• core-text: Implement CTFontGetMatrix. #674
• core-text: Implement CTFontGetMatrix. #674
• Remove usages of extern crate. #672
• Fix typos. #689
• Bump MSRV to 1.65 #694
• Use core::ffi over std::os::raw and libc::c_* #692 (checked and the core-text changes involve private types that aren't exposed publicly, and public changes of types that were already typedefs)
• Use workspace inheritance. #701
• Enable clippy, suppress lots, fix a couple. #703
• Fix invalid msg_send! #702
• Fix clippy lints. #736
• Fix unwrap panic in extract_number_for_key in impl TraitAccessorPrivate for CTFontTraits on macOS Ventura. #735

[atouchet]

Can a new version of cocoa be published along with this to keep the core-graphics versions used in sync (#737)?