Maintenance

• 01cd7e2c chore: improve backup and replace logic in updater by @xishang0128
• 1a841532 chore: code cleanup by @wwqgtxx
• 300eb8b1 chore: rebuild rule parsing code by @wwqgtxx
• 349b773b chore: upgrade and embed the xsync.Map to v4 by @wwqgtxx
• 56c3462b chore: update quic-go to 0.53.0 by @wwqgtxx
• 5f1f2962 chore: add /cache/dns/flush to restful api by @wwqgtxx
• 63371512 chore: upgrade bbolt to 1.4.2 by @wwqgtxx
• 66fd5c9f chore: allow setting cache-max-size in dns section by @wwqgtxx
• 6a620ba2 chore: revert "chore: better dns batchExchange" by @wwqgtxx
• 6a9d4289 chore: remove unused code (#2126) by @Leo
• 6f4fe71e chore: update dependencies by @wwqgtxx
• 748b5df9 chore: keep original file permissions after update by @xishang0128
• 8cbae59d chore: upgrade bbolt by @wwqgtxx
• 8f18d3f6 chore: add recvmsgx and sendmsgx config to tun by @wwqgtxx
• 91985c1e chore: typo (#2127) by @phanium
• 9f1da117 chore: use the compile-time GOAMD64 flag in the updater by @wwqgtxx
• a9b7e705 chore: optimizing copyFile in updater by @wwqgtxx
• aa555ced chore: allow embedded xsync.Map to be lazily initialized by @wwqgtxx
• b9260e06 chore: improve darwin tun performance by @wwqgtxx
• ba3e7187 chore: update mieru to v3.16.1 (#2138) by @enfein
• c3a3009a chore: keep original file permissions when copyFile in updater by @wwqgtxx
• d4fbffd8 chore: update utls to 1.8.0 by @wwqgtxx
• deec7aaf chore: optimizing download in updater by @wwqgtxx
• dfe6e050 chore: rebuild core updater by @wwqgtxx
• fb043df1 chore: use canonical return value order by @xishang0128

Full Changelog: https://github.com/MetaCubeX/mihomo/compare/v1.19.11...v1.19.12