Update crontab to version 1.1.2 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

crontab just published its new version 1.1.2, 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 crontab – 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 7 commits .

• ef34476 version++
• d885f47 Improved documentation
• 4ae11c5 Improved validation
• bf1a419 version++
• c1b267f Refactored into multiple files
• fa6facc Improved validation
• 998cbd5 docs: added en example to show running for another user

See the full diff.

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