Bump chromedriver from 83.0.0 to 84.0.0

Bumps [chromedriver](https://github.com/giggio/node-chromedriver) from 83.0.0 to 84.0.0.
- [Release notes](https://github.com/giggio/node-chromedriver/releases)
- [Commits](https://github.com/giggio/node-chromedriver/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -74,7 +74,7 @@
     "chai": "^4.2.0",
     "chart.js": "^2.9.3",
     "chartjs-plugin-zoom": "^0.7.5",
-    "chromedriver": "^83.0.0",
+    "chromedriver": "^84.0.0",
     "eslint": "^6.8.0",
     "eslint-config-standard": "^14.1.0",
     "eslint-plugin-import": "^2.20.1",