Update dependency eslint-watch to v5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
eslint-watch	devDependencies	major	4.0.2 -> 5.0.1	source

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Release Notes

rizowski/eslint-watch

v5.0.1

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Fixes

• Fixed issues with trying to run esw due to polyfill not being at the beginning
• Fixed issues with printing out the watch object

v5.0.0

Compare Source

Features

• watch-ignore flag now available to add additional ignore directories for situations ESW doesn't already cover. (build, dist)
• Help text now includes a section of ESW options.

Breaking

• Help format will now follow eslint's header help format.
• --esw-version is removed in favor of --version and --versions
• --version is now overridden by ESW. It will return the ESW version.
• --format is no longer overridden or defaulted to simple-detail
• ESW formaters are pulled out of ESW and will be published as separate packages sometime in the future.
• --quiet will now mute the clean message on successful relints

Fixes

• CTRL + C X2 should no longer be an issue. (#​80)

Misc

• Formatters for ESW are going to be moved out into a separate package. Adds too much complexity and I don't know how many people actually care about them.
• Moved away from trying to guess where eslint lives or trying to use Eslint's API which is inconsistent with its CLI options. Now ESW utilizes child_process through execa in favor of PATH executables.

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[coveralls]

Coverage remained the same at 80.829% when pulling 5a3edbe on renovate/eslint-watch-5.x into 207437c on master.