[Snyk] Upgrade jshint from 2.12.0 to 2.13.1

Snyk has created this PR to upgrade jshint from 2.12.0 to 2.13.1.

merge advice :information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

The recommended version is 2 versions ahead of your current version.
The recommended version was released 5 months ago, on 2021-08-10.

Release notes

Package name: jshint

2.13.1 - 2021-08-10
2.13.1 (2021-08-10)

Bug Fixes
- Allow invoking result of optional chaining (71ec395)
- Allow optional chaining call as satement (11dc0a6)
- Tolerate dangling NewExpression (7c890aa)
2.13.0 - 2021-05-30
2.13.0 (2021-05-30)

Bug Fixes
- Allow comma expression in MemberExpression (f05c8d1)
- Consider all exported bindings "used" (90228b7)
- Correct interpretation of ImportSpecifier (72a8102)
- Correct location for error (e831188)
- Correct location reported for directive (ee6aa68)
- Detect duplicate exported bindings (916c230)
- Don't warn when Function() is used without 'new'. (#3531) (c13c5cc)
- Don't warn when RegExp() is used without 'new'. (#3529) (c18a6e4)
- Enforce restrictions on new operand (c2719eb)
- Graduate BigInt support to esversion: 11 (553f816)
- Improve declaration parsing (a9bdc93)
- Report early reference with warning (2c1a5f8)
- Support RegExp Unicode property escapes (e7fa785)
Features
- Add support for "export * as ns from" (c46f464)
- Add support for import.meta (73d7e0d)
- Add support for dynamic import (6bfcaed)
- Add support for optional chaining (b125dbe)
- Implement support for nullish coalescing (f50b14d)
2.12.0 - 2020-08-03
2.12.0 (2020-08-02)

Features
- Update project license (d65513c)