[perf] update adblock to 0.12.0

0.12.0 has a few performance improvements:
https://github.com/brave/adblock-rust/pull/573
https://github.com/brave/adblock-rust/pull/563
https://github.com/brave/adblock-rust/pull/551
https://github.com/brave/adblock-rust/pull/554

I also has some bug fixes:
https://github.com/brave/adblock-rust/pull/555
https://github.com/brave/adblock-rust/pull/559
https://github.com/brave/adblock-rust/pull/562