[Security] Bump acorn from 6.1.1 to 6.4.1

[dependabot-preview[bot]]

Bumps acorn from 6.1.1 to 6.4.1. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Moderate severity vulnerability that affects acorn, minimist, and svjsl There are high severity security vulnerabilities in two of ESLints dependencies: - acorn - minimist

The releases 1.8.3 and lower of svjsl (JSLib-npm) are vulnerable, but only if installed in a developer environment. A patch has been released (v1.8.4) which fixes these vulnerabilities.

Identifiers:

• CVE-2020-7598
• SNYK-JS-ACORN-559469 (doesn't have a CVE identifier)

Affected versions: >= 6.0.0 < 6.4.1

Commits

• 9a2e9b6 Mark version 6.4.1
• 90a9548 More rigorously check surrogate pairs in regexp validator
• df0cf1a Mark version 6.4.0
• 5303412 Also export Parser via Parser.acorn
• efe273e give token types and etc to plugins
• ac6decb Mark version 6.3.0
• 7e9817d Allow sourceType: module even with ecmaVersion < 6
• e2b8cc0 Fix broken parsing of new expressions when allowReserved=="never"
• 1555c52 Update acorn.d.ts
• 77c20fa Mark version 6.2.1
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #86.