[3.12] gh-86457: Fix signature for code.replace() (GH-23199) (#107744)

* [3.12] gh-86457: Fix signature for code.replace() (GH-23199)

Also add support of @text_signature in Argument Clinic..
(cherry picked from commit 0e6e32fb84b2f7cb668e0b9927637587081e38cd)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

* Update 2023-08-07-16-30-48.gh-issue-95065.-im4R5.rst