net/aprsc: Update to 2.1.10

PR: ports/258325
Reported by: Daniel Austin <freebsd-ports@dan.me.uk>
Approved by: Maintainer

Update aprsc to 2.1.10 (latest version)

Poudriere testport logs available at:
https://pkg-builder.dan.net.uk/poudriere/data/latest-per-pkg/aprsc/2.1.10/

Small bugfix release, release notification in URL.