[webbrowser] Add MacOS and deprecated MacOSXOSAScript

Source: python/cpython#146439

Author: donbarbos

stdlib/webbrowser.pyi

@@ -65,15 +65,29 @@ if sys.platform == "win32":
 
 if sys.platform == "darwin":
     if sys.version_info < (3, 13):
-        @deprecated("Deprecated; removed in Python 3.13.")
+        @deprecated("Deprecated; removed in Python 3.13. Use `MacOSXOSAScript` instead.")
         class MacOSX(BaseBrowser):
             def __init__(self, name: str) -> None: ...
             def open(self, url: str, new: int = 0, autoraise: bool = True) -> bool: ...
 
-    class MacOSXOSAScript(BaseBrowser):  # In runtime this class does not have `name` and `basename`
-        if sys.version_info >= (3, 11):
-            def __init__(self, name: str = "default") -> None: ...
-        else:
-            def __init__(self, name: str) -> None: ...
+    if sys.version_info >= (3, 15):
+        class MacOS(BaseBrowser):
+            def open(self, url: str, new: int = 0, autoraise: bool = True) -> bool: ...
 
-        def open(self, url: str, new: int = 0, autoraise: bool = True) -> bool: ...
+        @deprecated("Deprecated since Python 3.15; will be removed in Python 3.17. Use `MacOS` instead.")
+        class MacOSXOSAScript(BaseBrowser):  # In runtime this class does not have `name` and `basename`
+            if sys.version_info >= (3, 11):
+                def __init__(self, name: str = "default") -> None: ...
+            else:
+                def __init__(self, name: str) -> None: ...
+
+            def open(self, url: str, new: int = 0, autoraise: bool = True) -> bool: ...
+
+    else:
+        class MacOSXOSAScript(BaseBrowser):  # In runtime this class does not have `name` and `basename`
+            if sys.version_info >= (3, 11):
+                def __init__(self, name: str = "default") -> None: ...
+            else:
+                def __init__(self, name: str) -> None: ...
+
+            def open(self, url: str, new: int = 0, autoraise: bool = True) -> bool: ...