dns/dnsmasq: security update to 2.90 (fixes dnssec validation DoS)

ChangeLog: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=blob_plain;f=CHANGELOG;hb=v2.90
Security: 21a854cc-cac1-11ee-b7a7-353f1e043d9a
Security: CVE-2023-50387
Security: CVE-2023-50868
MFH: 2024Q1
(cherry picked from commit af6c1440146a94063573c048e0eacdccd1108062)