[build] Use macos-14 runner for macos builds (#13814)

Ref: https://github.blog/changelog/2025-07-11-upcoming-changes-to-macos-hosted-runners-macos-latest-migration-and-xcode-support-policy-updates/#macos-13-is-closing-down

Authored by: bashonly

bundle/pyinstaller.py

@@ -62,16 +62,22 @@ def parse_options():
 
 def exe(onedir):
     """@returns (name, path)"""
+    platform_name, machine, extension = {
+        'win32': (None, MACHINE, '.exe'),
+        'darwin': ('macos', None, None),
+    }.get(OS_NAME, (OS_NAME, MACHINE, None))
+
     name = '_'.join(filter(None, (
         'yt-dlp',
-        {'win32': '', 'darwin': 'macos'}.get(OS_NAME, OS_NAME),
-        MACHINE,
+        platform_name,
+        machine,
     )))
+
     return name, ''.join(filter(None, (
         'dist/',
         onedir and f'{name}/',
         name,
-        OS_NAME == 'win32' and '.exe',
+        extension,
     )))