Import upstream CPython branch '3.14'

Summary:
Import Python `3.14.0rc3+` from upstream revision `7a65a477951a541e29920832e4ab90e0b7783f21`, committed 2025-09-29 08:16:25+00:00.

# Commit Info

Base: (`3.14.0rc3+`) - `4608a300d5291ecc8ca7d716cc7da7337fa61eac` (commit date: 2025-09-27 06:12:11+00:00)
Imported: (`3.14.0rc3+`) - `7a65a477951a541e29920832e4ab90e0b7783f21` (commit date: 2025-09-29 08:16:25+00:00)

# Files added

https://www.internalfb.com/intern/everpaste/?color=0&handle=GMDJ1xwQKQzpMrsCAHNHwB-WFwdwbr0LAAAz

# Files removed

```
iOS/README.rst
iOS/Resources/Info.plist.in
iOS/Resources/dylib-Info-template.plist
iOS/Resources/pyconfig.h
iOS/testbed/Python.xcframework/Info.plist
iOS/testbed/Python.xcframework/ios-arm64/README
iOS/testbed/Python.xcframework/ios-arm64_x86_64-simulator/README
iOS/testbed/__main__.py
iOS/testbed/iOSTestbed.lldbinit
iOS/testbed/iOSTestbed.xcodeproj/project.pbxproj
iOS/testbed/iOSTestbed.xcodeproj/xcshareddata/xcschemes/iOSTestbed.xcscheme
iOS/testbed/iOSTestbed.xctestplan
iOS/testbed/iOSTestbed/AppDelegate.h
iOS/testbed/iOSTestbed/AppDelegate.m
iOS/testbed/iOSTestbed/Assets.xcassets/AccentColor.colorset/Contents.json
iOS/testbed/iOSTestbed/Assets.xcassets/AppIcon.appiconset/Contents.json
iOS/testbed/iOSTestbed/Assets.xcassets/Contents.json
iOS/testbed/iOSTestbed/Base.lproj/LaunchScreen.storyboard
iOS/testbed/iOSTestbed/app/README
iOS/testbed/iOSTestbed/app_packages/README
iOS/testbed/iOSTestbed/dylib-Info-template.plist
iOS/testbed/iOSTestbed/iOSTestbed-Info.plist
iOS/testbed/iOSTestbed/main.m
iOS/testbed/iOSTestbedTests/iOSTestbedTests.m
```

Reviewed By: bowiechen

Differential Revision: D83471338

fbshipit-source-id: b538eac4eb5a59525e16def9d64e1091a1010eb9

Author: itamaro

.github/CODEOWNERS

@@ -293,6 +293,9 @@ Lib/concurrent/futures/interpreter.py  @ericsnowcurrently
 **/*Android*                  @mhsmith @freakboy3742
 **/*android*                  @mhsmith @freakboy3742
 
+# Apple
+/Apple                        @freakboy3742
+
 # iOS (but not termios)
 **/iOS*                       @freakboy3742
 **/ios*                       @freakboy3742

.gitignore

@@ -71,15 +71,15 @@ Lib/test/data/*
 /Makefile
 /Makefile.pre
 /iOSTestbed.*
-iOS/Frameworks/
-iOS/Resources/Info.plist
-iOS/testbed/build
-iOS/testbed/Python.xcframework/ios-*/bin
-iOS/testbed/Python.xcframework/ios-*/include
-iOS/testbed/Python.xcframework/ios-*/lib
-iOS/testbed/Python.xcframework/ios-*/Python.framework
-iOS/testbed/iOSTestbed.xcodeproj/project.xcworkspace
-iOS/testbed/iOSTestbed.xcodeproj/xcuserdata
+Apple/iOS/Frameworks/
+Apple/iOS/Resources/Info.plist
+Apple/testbed/build
+Apple/testbed/Python.xcframework/*/bin
+Apple/testbed/Python.xcframework/*/include
+Apple/testbed/Python.xcframework/*/lib
+Apple/testbed/Python.xcframework/*/Python.framework
+Apple/testbed/*Testbed.xcodeproj/project.xcworkspace
+Apple/testbed/*Testbed.xcodeproj/xcuserdata
 Mac/Makefile
 Mac/PythonLauncher/Info.plist
 Mac/PythonLauncher/Makefile