Update dependency cross-env to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
cross-env	devDependencies	major	5.2.1 -> 6.0.3

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Release Notes

kentcdodds/cross-env

v6.0.3

Compare Source

Bug Fixes

• do not compile anything (67f21c3)

v6.0.2

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Bug Fixes

• table of contents in README (a825e9c)

v6.0.1

Compare Source

Bug Fixes

• update all packages, tests, and README (36bb6c3)

v6.0.0

Compare Source

Bug Fixes

• bumped cross-spawn to version 7.0.0 (#​211) (61ebf59)

BREAKING CHANGES

• Drop support for Node.js < 7.

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[vizipi]

Pull request analysis by VIZIPI

Below you will find who is the most qualified team member to review your code.
This analysis includes his/her work on the code included in this Pull request, in addition to their experience in code affected by these changes ( partly found within the list of potential missing files below )   Feedback always welcome

Reviewers with knowledge related to these changes

Match %	Person	Commit Count	Common Files
100.00 %	Chintan Prajapati	3	2

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Potential missing files from this Pull request

No commonly committed files found with a 40% threashold

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Committed file ranks

(click to expand)

95.24%[package.json]

90.48%[package-lock.json]

[pull-assistant]

Best reviewed: commit by commit

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Optimal code review plan

     Update dependency cross-env to v6

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