Update webdriverio to version 4.0.3 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

webdriverio just published its new version 4.0.3, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of webdriverio – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

---

The new version differs by 433 commits (ahead by 433, behind by 122).

• 2d8f4ed v4.0.3
• b5e3fcd Update contributors
• 2a1ab3a missing comma
• 19030f8 set step definition value in boilerplate conf
• 8255b45 Merge pull request #1071 from webdriverio/test-name-in-hook
• 7540178 Merge pull request #1076 from StrangeWind/patch-1
• 2f083d2 docs(test.js): update to use .getTitle().then()
• c812e3e moved contributor list to the buttom of package.json
• 1b0e801 v4.0.2
• 0df8d2b Update contributors
• 7e625f8 added grunt-bump
• 7c4771f added grunt-npm dep
• 72416de fixed prepublish script
• 9780634 Mocha only
• 82b4663 Use 'currentTest' name to identify tests which fail during a beforeEach hook

There are 250 commits in total. See the full diff.

---

This pull request was created by greenkeeper.io. It keeps your software, up to date, all the time.

_{Tired of seeing this sponsor message? Upgrade to the supporter plan! You'll also get your pull requests faster :zap:}