Game of Trees 0.103 released

Version 0.103
of Game of Trees
has been released (and the port
updated).

* got 0.103; 2024-09-24
  see git repository history for per-change authorship information
- fix bug causing performance to degrade as more and more pack files appear
- tog: add diff view 'p' keymap to write the diff to file
- tog: display diffstat in diff view when diffing blobs or trees directly
- gotwebd: show commit id prefix on briefs page
- add support for HMAC digests to gotd HTTP notifications
- move authentication credentials from gotd.conf(5) to gotd-secrets.conf(5)
- fix spurious tog regression test failures on slower machines
- restore abort() calls in lib/hash.c to quiet potential compiler warnings
- gotwebd: unbreak listing of tags on the summary page (regression from 0.102)
- gotwebd: minor tweaks to the HTML for ease of styling