sysutils/zsd: Update to 2025-02-23

Switch to DISTVERSION and remove the unneeded 0.0. prefix from version.
Use DISTVERSIONSUFFIX too so doesn't need manually set DISTNAME.
Change LICENSE to ISCL and add LICENSE_FILE.
Change http to https in MASTER_SITES.
Disable portscout checking
Submitter takes maintainership.

PR: 284990