Update Doc/library/http.cookies.rst

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

Author: kishorhange111

Doc/library/http.cookies.rst

@@ -109,7 +109,7 @@ Cookie Objects
 
    The meaning for *attrs* is the same as in :meth:`output`.
 
-   .. deprecated:: 3.15
+   .. deprecated-removed:: next 3.19
       :meth:`!js_output` is deprecated and will be removed in Python 3.17.
       Use :meth:`output` instead.