[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

.github/workflows/build.yml

@@ -242,7 +242,7 @@ jobs:
     permissions:
       contents: read
       actions: write  # For cleaning up cache
-    runs-on: macos-13
+    runs-on: macos-14
 
     steps:
       - uses: actions/checkout@v4
@@ -261,6 +261,8 @@ jobs:
       - name: Install Requirements
         run: |
           brew install coreutils
+          # We need to use system Python in order to roll our own universal2 curl_cffi wheel
+          brew uninstall --ignore-dependencies python3
           python3 -m venv ~/yt-dlp-build-venv
           source ~/yt-dlp-build-venv/bin/activate
           python3 devscripts/install_deps.py -o --include build

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,
     )))