biology/diamond: update to version 0.8.23

Upstream release notes:

Added option to change the genetic code used for translation of query in
blastx mode (option --query-gencode, see here for a list of possible values:
https://www.ncbi.nlm.nih.gov/Taxonomy/Utils/wprintgc.cgi).

Approved by: AMDmi3 (mentor)
Differential Revision: https://reviews.freebsd.org/D8202