Bump chalk from 2.4.1 to 2.4.2 (#109)

Bumps [chalk](https://github.com/chalk/chalk) from 2.4.1 to 2.4.2.
- [Release notes](https://github.com/chalk/chalk/releases)
- [Commits](chalk/chalk@v2.4.1...v2.4.2)

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

package.json

@@ -10,7 +10,7 @@
     "test:debug": "node --inspect node_modules/.bin/jest --runInBand"
   },
   "dependencies": {
-    "chalk": "^2.4.1",
+    "chalk": "^2.4.2",
     "ember-rfc176-data": "^0.3.6",
     "execa": "~1.0.0",
     "glob": "^7.1.3",

yarn.lock

@@ -1135,9 +1135,9 @@ chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1, chalk@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
   dependencies:
     ansi-styles "^3.2.1"
     escape-string-regexp "^1.0.5"