[3.10] bpo-43215: Document Happy Eyeballs args of asyncio.open_connection (GH-24525) (GH-31869)

Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
(cherry picked from commit 3543ddb4c4ebc26fb2d6c67a97e66f5267876f72)

Co-authored-by: Illia Volochii <illia.volochii@gmail.com>
diff --git a/Doc/library/asyncio-stream.rst b/Doc/library/asyncio-stream.rst
index 269c3dc..3558277 100644
--- a/Doc/library/asyncio-stream.rst
+++ b/Doc/library/asyncio-stream.rst
@@ -51,7 +51,8 @@
 .. coroutinefunction:: open_connection(host=None, port=None, *, \
                           limit=None, ssl=None, family=0, proto=0, \
                           flags=0, sock=None, local_addr=None, \
-                          server_hostname=None, ssl_handshake_timeout=None)
+                          server_hostname=None, ssl_handshake_timeout=None, \
+                          happy_eyeballs_delay=None, interleave=None)
 
    Establish a network connection and return a pair of
    ``(reader, writer)`` objects.
@@ -69,6 +70,9 @@
    .. versionchanged:: 3.7
       Added the *ssl_handshake_timeout* parameter.
 
+   .. versionadded:: 3.8
+      Added *happy_eyeballs_delay* and *interleave* parameters.
+
    .. versionchanged:: 3.10
       Removed the *loop* parameter.