games/bsdgames: Update 0.75 → 0.76 which fixes a current compile error

Currently doesn't compile, apparently due to an API change in ncurses.
More precisely, "mille" uses functions that are no longer available.
Version 0.76 includes a workaround.

Commit log:
https://github.com/pianojockl/bsdgames/compare/v0.75...v0.76

PR: 281559
MFH: 2024Q3