Update link to list of DCs in Telegram desktop client

[Em4E]

#294 updated the list of IP addresses, but the link was still pointing to a 7-year-old source code file that was missing 95.161.76.100.

See discussion at https://github.com/net4people/bbs/issues/389#issuecomment-2310626450.

Checklist

• [x] I have read the contribution guidelines
• [x] reference issue for this pull request: https://github.com/ooni/probe/issues/2742
• [x] related ooni/probe-cli pull request: https://github.com/ooni/probe-engine/issues/999
• [x] If I changed a spec, I also bumped its version number and/or date