v0.22.0

Breaking changes

• Store the geopoint in three dimensions (#424) @irevoire
• Prefer returning None instead of using an FilterCondition::Empty state (#422) @Kerollmops

Enhancement

• Introduce the depth method on FilterCondition (#421) @Kerollmops
• Handle escaped characters in filters (#427) @irevoire
• Document batch support (#430) @MarinPostma
• Add fuzzing (#432) @irevoire

Fixes

• Fix search highlight for non-unicode chars (#426) @Samyak2
• Fix two filtering bugs (#433) @irevoire
• Ensure we get no documents and no error when filtering on an empty db (#435) @irevoire

Misc

• Remove an unused file (#423) @irevoire
• Push the result of the benchmarks to influxdb (#425) @irevoire
• Reintroduce the gitignore for the fuzzer (#428) @irevoire
• Benchmark CIs: not use a default label to call the GH runner (#429) @curquiza