[Snyk] Security upgrade update-notifier from 1.0.3 to 2.3.0

[KyleRoss]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	696/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 7.5	Regular Expression Denial of Service (ReDoS) SNYK-JS-ANSIREGEX-1583908	Yes	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: update-notifier

The new version differs by 18 commits.

• 492c21e 2.3.0
• 3eaa793 Force bump `boxen` dependency
• 70b8248 package.json indentation
• 97d0b97 Add is-installed-globally for auto-detection (#114)
• 6008ccf Meta tweaks
• 6f2b074 Move to AVA for testing (#121)
• 4bfb8b4 Update chalk to 2.0.1 (#117)
• adf7af0 2.2.0
• d032e12 Bail if notify is disabled (#110)
• 1055d57 Meta tweaks
• e2f9233 Add npm as »reference« (#108)
• 86ca238 2.1.0
• 607d3c9 Add option to exclude `-g` argument from default update message (#105)
• d295cf3 2.0.0
• fda96b6 ES2015ify
• ac47d69 Improve readme
• f1de1bf Update dependencies
• 01fcd25 Bump minimum supported `node` version to `node@4`. (#102)

See the full diff

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