fix a URL redirect to wikipedia article on Fibonacci numbers

[partev]

Documentation

Section 3.2 of the tutorial: https://docs.python.org/3.13/tutorial/introduction.html#first-steps-towards-programming
links to https://en.wikipedia.org/w/index.php?title=Fibonacci_number which redirects to https://en.wikipedia.org/wiki/Fibonacci_sequence

Linked PRs

• gh-110534 fix a URL redirect to wikipedia article on Fibonacci numbers #110535
• [3.12] gh-110534 fix a URL redirect to wikipedia article on Fibonacci numbers (GH-110535) #110536
• [3.11] gh-110534 fix a URL redirect to wikipedia article on Fibonacci numbers (GH-110535) #110537

[terryjreedy]

I confirmed the correction.