SUSE: 2025:01787-1 important: bind CPU exhaustion and DoS threats

## This update for bind fixes the following issues: Update to version 9.20.9. * Security issues fixed: * CVE-2025-40775: denial-of-service due to assertion failure caused by the processing of a NS message with an invalid TSIG (bsc#1243361). * CVE-2024-12705: CPU and memory exhaustion due to DNS-over-HTTPS issues that arise under heavy query load (bsc#1236597). * CVE-2024-11187: CPU exhaustion when processing queries that lead to responses containing several records in the Additional data section (bsc#1236596). * Changelog: * Feature changes: * Performance optimization for NSEC3 lookups introduced in BIND 9.20.2 was reverted to avoid risks associated with a complex code change. * The configuration clauses parental-agents and primaries are renamed to remote-servers.