Update dependency cron to v3

This MR contains the following updates:

Package	Type	Update	Change
cron	dependencies	major	^2.4.3 -> ^3.0.0

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⚠ Dependency Lookup Warnings ⚠

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Release Notes

kelektiv/node-cron

v3.0.0

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⚠ Breaking changes

• utcOffset parameter no longer accepts a string
• utcOffset values between -60 and 60 are no longer treated as hours
• providing both timeZone and utcOffset parameters now throws an error
• removed cron.job() method in favor of new CronJob(...args) / CronJob.from(argsObject)
• removed cron.time() method in favor of new CronTime()
• CronJob: constructor no longer accepts an object as its first and only params. Use CronJob.from(argsObject) instead.
• CronJob: callbacks are now called in the order they were registered
• return empty array from nextDates when called without argument (#​519)
• UNIX standard alignments (#​667)

✨ Features

• expose useful types (737b344)
• rework utcOffset parameter (#​699) (671e933)
• UNIX standard alignments (#​667) (ff615f1)

🐛 Bug Fixes

• return empty array from nextDates when called without argument (#​519) (c2891ba)

📦 Code Refactoring

• migrate to TypeScript (#​694) (2d77894)

📚 Documentation

• readme: remove outdated informations (#​695) (b5ceaf1)

🚨 Tests

• update new test for cron standard alignments (4a406c1)

♻️ Chores

• improve GitHub community standards (#​698) (6bdef77)
• update contributors list (dab3d69)

💎 Styles

• fix linting issues (47e665f)

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