eslint-plugin-node 9.0.0 on Node.js Yarn

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.

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.