Charabia v0.8.11

Changes

• Adds a new normalizer to normalize œ to oe and æ to ae (#278) @Soham1803
• Upgrade Lindera to 0.31.0 (#292) @mosuka
• fix: fixed chinese-normalization-pinyin feature test failed (#291) @tkhshtsh0917

Thanks again to @ManyTheFish, @Soham1803, @curquiza, @meili-bors[bot], @mosuka and @tkhshtsh0917! 🎉