bind: bump to 9.18.24

bind: bump to 9.18.24

Fixes CVEs:

- CVE-2023-50387: Validating DNS messages containing a lot of DNSSEC signatures
  could cause excessive CPU load, leading to a denial-of-service condition.
- CVE-2023-50868: Preparing an NSEC3 closest encloser proof could cause
  excessive CPU load, leading to a denial-of-service condition.
- CVE-2023-4408: Parsing DNS messages with many different names could cause
  excessive CPU load.
- CVE-2023-5517: Specific queries could cause named to crash with an assertion
  failure when nxdomain-redirect was enabled.
- CVE-2023-5679: A bad interaction between DNS64 and serve-stale could cause
  named to crash with an assertion failure, when both of these features were
  enabled.

Signed-off-by: Noah Meyerhans <frodo@morgul.net>