Update dependency eslint-plugin-node to v6

[renovate[bot]]

This Pull Request updates dependency eslint-plugin-node from v5.2.1 to v6.0.1

Release Notes

### [`v6.0.1`](https://github.com/mysticatea/eslint-plugin-node/releases/v6.0.1) [Compare Source](https://github.com/mysticatea/eslint-plugin-node/compare/v6.0.0...v6.0.1) #### Bug fixes - 234703cc58d1d8ebfdf0be367d958bf6682b299f fixed a regression that `node/no-unsupported-features` crashes if `engines` field exists but `engines.node` field doesn't exist in package.json (#​109). Thanks @​ZauberNerd ! --- ### [`v6.0.0`](https://github.com/mysticatea/eslint-plugin-node/releases/v6.0.0) [Compare Source](https://github.com/mysticatea/eslint-plugin-node/compare/v5.2.1...v6.0.0) #### Breaking Changes - 49c060a7f7fcb5c33712914ce75bd499cf7e1340 updated `node/no-unsupported-features` rule to support ES2018 syntactic features. Now the rule recognizes the following syntax: - [Rest/Spread Proeprties](https://github.com/tc39/proposal-object-rest-spread) (since Node.js `8.3.0`) - [Illegal Escape Sequences in Taggled Templates](https://github.com/tc39/proposal-template-literal-revision) (since Node.js `9.0.0`) - [RegExp 's' Flag](https://github.com/tc39/proposal-regexp-dotall-flag) (since Node.js `9.0.0`) - [RegExp Lookbehind Assertions](https://github.com/tc39/proposal-regexp-lookbehind) (since Node.js `9.0.0`) - [RegExp Named Capture Groups](https://github.com/tc39/proposal-regexp-named-groups) (since Node.js `10.0.0`) - [RegExp Unicode Property Escapes](https://github.com/tc39/proposal-regexp-unicode-property-escapes) (since Node.js `10.0.0`) - [Asynchronous Iteration](https://github.com/tc39/proposal-async-iteration) (since Node.js `10.0.0`) - 400e20a00a1620f986eb91317d6d26e1b049f8dd updated `node/no-deprecated-api` rule to support new deprecated APIs. Now the rule recognizes the following APIs: - `async_hooks.currentId` - `async_hooks.triggerId` - `module._debug` - `path._makeLong` - `tls.parseCertString` - e8d757b97ac571d456085e9103dc7b9cbd9500c7 updated `plugin:node/recommended` preset. ---

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