gh-142994, gh-142996: document missing async generator and coroutine field entries in inspect

Doc/library/inspect.rst

@@ -273,6 +273,9 @@ attributes (see :ref:`import-mod-attrs` for module attributes):
 +-----------------+-------------------+---------------------------+
 |                 | ag_running        | is the generator running? |
 +-----------------+-------------------+---------------------------+
+|                 | ag_suspended      | is the generator          |
+|                 |                   | suspended?                |
++-----------------+-------------------+---------------------------+
 |                 | ag_code           | code                      |
 +-----------------+-------------------+---------------------------+
 | coroutine       | __name__          | name                      |
@@ -319,6 +322,10 @@ attributes (see :ref:`import-mod-attrs` for module attributes):
 
    Add ``__builtins__`` attribute to functions.
 
+.. versionchanged:: 3.12
+
+   Add ``ag_suspended`` attribute to async generator.
+
 .. versionchanged:: 3.14
 
    Add ``f_generator`` attribute to frames.