Fix typo in the word "spaghetti" (GH-24866)

Automerge-Triggered-By: GH:Mariatta
(cherry picked from commit 93d33b4)

Co-authored-by: Kazantcev Andrey <45011689+heckad@users.noreply.github.com>

Author: miss-islington

Doc/faq/design.rst

@@ -600,7 +600,7 @@ Why is there no goto?
 ---------------------
 
 In the 1970s people realized that unrestricted goto could lead
-to messy "sphagetti" code that was hard to understand and revise.
+to messy "spaghetti" code that was hard to understand and revise.
 In a high-level language, it is also unneeded as long as there
 are ways to branch (in Python, with ``if`` statements and ``or``,
 ``and``, and ``if-else`` expressions) and loop (with ``while``