chore(deps-dev): bump chai from 4.2.0 to 4.3.4 (#851)

Bumps [chai](https://github.com/chaijs/chai) from 4.2.0 to 4.3.4.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/main/History.md)
- [Commits](chaijs/chai@4.2.0...v4.3.4)

---
updated-dependencies:
- dependency-name: chai
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -20,7 +20,7 @@
     "@babel/core": "7.12.3",
     "@babel/preset-env": "7.12.1",
     "autoprefixer": "10.0.1",
-    "chai": "4.2.0",
+    "chai": "4.3.4",
     "chalk": "4.1.0",
     "cross-env": "7.0.2",
     "del": "6.0.0",