dns/dnsmasq-devel: update to 2.91rc1

Changes since 2.91test10, by Simon Kelley unless noted otherwise:

• a1a214c 2025-02-05 | Bump date on manpage.
• 94b7144 2025-02-05 | Fix c99ism added in 0b6144583b128330e7cffa105bc9ccbc4d6f0692
• e72910d 2025-02-05 | Spell check v2.91 CHANGELOG [Matthias Andree]
• 0b61445 2025-02-05 | Log failed TCP DNS connections upstream when --log-debug active.
• f316673 2025-02-05 | Manpage typo.
• 5226b71 2025-02-03 | Add --no-0x20-encode config option.
• 1f84cde 2025-02-03 | Tweak to logging.
• 046bfa2 2025-01-31 | Clean up some of the man page formatting. [Paul Donald]
• 0762732 2025-02-01 | belt-and-braces extra call to check_log_writer() in tcp_request()

MFH: 2025Q1
(cherry picked from commit 9c05711b4c942325f1963cc75871c91906a802ac)