Update eslint in / from 4.8.0 to 5.6.1

[dependencies]

Dependencies.io has updated eslint (a npm dependency in /) from "4.8.0" to "5.6.1".

5.6.1

• 9b26bdb Fix: avoid exponential require-atomic-updates traversal (fixes #10893) (#10894) (Teddy Katz)
• 9432b10 Fix: make separateRequires work in consecutive mode (fixes #10784) (#10886) (Pig Fang)
• e51868d Upgrade: debug@4 (fixes #10854) (#10887) (薛定谔的猫)
• d3f3994 Docs: add information about reporting security issues (#10889) (Teddy Katz)
• cc458f4 Build: fix failing tests on master (#10890) (Teddy Katz)
• a6ebfd3 Docs: clarify defaultAssignment option, fix no-unneeded-ternary examples (#10874) (CoffeeTableEspresso)
• 9d52541 Fix: Remove duplicate error message on crash (fixes #8964) (#10865) (Nicholas C. Zakas)
• 4eb9a49 Docs: Update quotes.md (#10862) (The Jared Wilcurt)
• 9159e9b Docs: Update complexity.md (#10867) (Szymon Przybylski)
• 14f4e46 Docs: Use Linter instead of linter in Nodejs API page (#10864) (Nicholas C. Zakas)
• b3e3cb1 Chore: Update debug log name to match filename (#10863) (Nicholas C. Zakas)