Update to 1.19.3 (rhbz#2268404)
- Fix CVE-2024-1931, Denial of service when trimming EDE text on
positive replies. (rhbz#2268419)
- Use the origin (DNAME) TTL for synthesized CNAMEs as per RFC 6672.
- Bug fixes
https://nlnetlabs.nl/projects/unbound/download/#unbound-1-19-3