Update dependency eslint-plugin-node to v9

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
eslint-plugin-node	devDependencies	major	8.0.1 -> 9.0.0	source

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Release Notes

mysticatea/eslint-plugin-node

v9.0.0

Compare Source

Update for Node.js v12 🎉

💥 Breaking Changes

• c95b2fd dropped Node.js 6 support because of End-of-Life.
• fe2343f dropped ESLint 4 support. New supported versions are ^5.16.0 and >=6.0.0.
• 7e0c2c5 updated node/no-deprecated-api rule to check new deprecated APIs in Node.js 12.
• 5d79f2d updated node/no-unsupported-features/node-builtins rule to recognize new APIs in Node.js 12.
• 02d61cf updated node/no-unsupported-features/es-builtins rule to recognize new APIs in Node.js 12.
• b94731a updated the rules for require() such as node/no-missing-require rule to check require.resolve() as well.
• 2061413 updated plugin:node/recommended preset.

✨ New Rules

• a3e0e29 added node/file-extension-in-import rule which enforce the style of file extensions.
• e41a1e0 added node/prefer-promises/dns rule and node/prefer-promises/fs rule which enforce to use Promise API instead of Callback API.

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