github: unbreak release workflow by using macos-13 (#52)

Summary:
macos-12 is deprecated, and doesn't seem to be working anymore. macos-13 can still be used to produce x86_64 binaries for now.

Pull Request resolved: #52

Reviewed By: zertosh

Differential Revision: D67957008

Pulled By: dtolnay

fbshipit-source-id: 0d27627c3e58bb7216223527f576bde918d8b5d6

.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
             cross: true
           - os: 'macos-14'
             triple: 'aarch64-apple-darwin'
-          - os: 'macos-12'
+          - os: 'macos-13'
             triple: 'x86_64-apple-darwin'
           - os: 'windows-2022'
             triple: 'x86_64-pc-windows-msvc'