[3.12] gh-111406: Fix broken link to bpython's site (GH-111407) (#111408)

gh-111406: Fix broken link to bpython's site (GH-111407)
(cherry picked from commit 8a158a7)

Co-authored-by: Zack Cerza <[email protected]>

Author: miss-islington

Doc/tutorial/interactive.rst

@@ -51,4 +51,4 @@ bpython_.
 
 .. _GNU Readline: https://tiswww.case.edu/php/chet/readline/rltop.html
 .. _IPython: https://ipython.org/
-.. _bpython: https://www.bpython-interpreter.org/
+.. _bpython: https://bpython-interpreter.org/