Update to Tor 0.4.8.7

What's Changed

• Smaller updates by @svengo in #47
• Update to Tor 0.4.8.7 by @svengo in #48

Tor changelog

https://forum.torproject.org/t/stable-release-0-4-8-7/9398

Changes in version 0.4.8.7 - 2023-09-25

This version fixes a single major bug in the Conflux subsystem on the client
side. See below for more information. The upcoming Tor Browser 13 stable will
pick this up.

• Major bugfixes (conflux):

  • Fix an issue that prevented us from pre-building more conflux sets
    after existing sets had been used. Fixes bug 40862; bugfix
    on 0.4.8.1-alpha.

• Minor features (fallbackdir):

  • Regenerate fallback directories generated on September 25, 2023.

• Minor features (geoip data):

  • Update the geoip files to match the IPFire Location Database, as
    retrieved on 2023/09/25.

Full Changelog: v0.4.8.6-01...v0.4.8.7-1