sing-box: update to 1.8.0

sing-box: update to 1.8.0

New features for v1.8.0:
1. Migrate cache file from Clash API to independent options
2. Introducing Rule Set
3. Add `sing-box geoip`, `sing-box geosite` and `sing-box rule-set` commands
4. Allow nested logical rules
5. Independent `source_ip_is_private` and `ip_is_private` rules
6. Add context to JSON decode error message
7. Reject internal fake-ip queries
8. Add GSO support for TUN and WireGuard system interface
9. The legacy LWIP stack has been deprecated and removed
10. Add `idle_timeout` for URLTest outbound
11. Added some new uTLS fingerprints
...
Release notes: https://github.com/SagerNet/sing-box/releases/tag/v1.8.0

The new version has some breaking changes and may stop working after upgrading if use the original config.
Please see the migration manual to migrate the config: https://sing-box.sagernet.org/migration/

Signed-off-by: Anya Lin <hukk1996@gmail.com>