Build(deps-dev): bump @types/chai from 4.1.7 to 4.2.0 (#3865)

Bumps [@types/chai](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/chai) from 4.1.7 to 4.2.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/chai)

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

package-lock.json

@@ -2598,9 +2598,9 @@
       }
     },
     "@types/chai": {
-      "version": "4.1.7",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.1.7.tgz",
-      "integrity": "sha512-2Y8uPt0/jwjhQ6EiluT0XCri1Dbplr0ZxfFXUz+ye13gaqE8u5gL5ppao1JrUYr9cIip5S6MvQzBS7Kke7U9VA==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.0.tgz",
+      "integrity": "sha512-zw8UvoBEImn392tLjxoavuonblX/4Yb9ha4KBU10FirCfwgzhKO0dvyJSF9ByxV1xK1r2AgnAi/tvQaLgxQqxA==",
       "dev": true
     },
     "@types/cheerio": {

package.json

@@ -151,7 +151,7 @@
     "@babel/preset-env": "^7.5.5",
     "@babel/register": "7.5.5",
     "@mapbox/react-click-to-select": "^2.2.0",
-    "@types/chai": "^4.1.7",
+    "@types/chai": "^4.2.0",
     "@types/enzyme": "^3.10.3",
     "@types/mocha": "^5.2.7",
     "@types/react-helmet": "^5.0.8",