fix: replace retired macos-13 runner with macos-latest

macOS-13 runner images were retired by GitHub Actions.
Use macos-latest with Bun's cross-compilation for darwin-x64 target.

Author: cameronrye

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
           - os: macos-latest
             target: bun-darwin-arm64
             artifact: clarissa-macos-arm64
-          - os: macos-13
+          - os: macos-latest
             target: bun-darwin-x64
             artifact: clarissa-macos-x64
           - os: ubuntu-latest