chore(release): 0.8.4 [skip ci]

## [0.8.4](v0.8.3...v0.8.4) (2020-10-30)

### Performance Improvements

* optimise session items data structures ([#403](#403)) ([818d405](818d405))

Author: semantic-release-bot

CHANGELOG.md

@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 From v1.0.0 onwards, this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). Pre-v1, breaking changes will be indicated via a minor release, while all other changes will fall under patches. At any time, you can see what's in progress for a version by filtering GitHub issues by milestone.
 
+## [0.8.4](https://github.com/tophat/syrupy/compare/v0.8.3...v0.8.4) (2020-10-30)
+
+
+### Performance Improvements
+
+* optimise session items data structures ([#403](https://github.com/tophat/syrupy/issues/403)) ([818d405](https://github.com/tophat/syrupy/commit/818d405a85c2f1f5db9d673e632677c10cb52ad9))
+
 ## [0.8.3](https://github.com/tophat/syrupy/compare/v0.8.2...v0.8.3) (2020-10-30)