Update babel-loader to version 6.2.1 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

babel-loader just published its new version 6.2.1, 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 babel-loader – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 104 commits .

• 2fa087a Merge branch 'release/v6.2.1'
• 09788f8 Bump patch version
• de27cac Merge branch 'jonathanong-mkdirp-async' into develop
• e375364 Merge branch 'mkdirp-async' of https://github.com/jonathanong/babel-loader into jonathanong-mkdirp-async
• 4456cc8 Merge branch 'jonathanong-fix-linting-errors' into develop
• 9575d13 Fix conflicts
• 893241b cache: make sure the directory exists, asynchronously
• 55d5d2b Merge branch 'release/v6.2.0' into develop
• 8dca831 Merge branch 'release/v6.2.0'
• 50a0ff1 Pass true filenames
• a807ae1 Fix styles that were breaking ci tests
• 0330bbd Remove babel-core/es2015 preset from devDependencies
• 120ccd3 Pass true filenames #106
• b2b0823 Merge branch 'akrawchyk-docs-remove-optional-runtime' into develop
• 38a20b8 Switch some examples to query options

There are 104 commits in total. See the full diff.

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