This commit updates PowerDNS Recursor to 5.2.13, the latest release
on the 5.2.x LTS branch.
This includes security fixes for the following issues and more:
CVE-2026-24027, CVE-2026-0398, CVE-2026-33256, CVE-2026-33257,
CVE-2026-33258, CVE-2026-33259, CVE-2026-33260, CVE-2026-33261,
CVE-2026-33262, CVE-2026-33601, CVE-2026-33600, CVE-2026-33612,
CVE-2026-40012, CVE-2026-42005, CVE-2026-42390, CVE-2026-42389,
CVE-2026-42388, CVE-2026-42387, CVE-2026-52690, CVE-2026-52688,
CVE-2026-52686, CVE-2026-52682.