[3.10] bpo-44561: Update hyperlinks in Doc/distributing/index.rst (GH-27032) (GH-27234)



* Update hyperlinks in Doc/distributing/index.rst

Update three expired hyperlinks.

Closes [bpo-44561]().
(cherry picked from commit b494685b2548489efcc66993cc6c13b027ce3b26)


Co-authored-by: Steven Hsu <hsuhaochun@gmail.com>

Automerge-Triggered-By: GH:ncoghlan
2 files changed