biology/hisat2: Update to 2.2.3
No functional changes. Upstream added explicit support for ARM,
which is not relevant since the FreeBSD port has been using SIMDE
patches for some time. Still waiting on upstream to act:
https://github.com/DaehwanKimLab/hisat2/pull/251
Upgrading the port just to silence portscout.
Reported by: portscout