Upgrade dependencies

package.json

@@ -57,12 +57,12 @@
 		"@typescript-eslint/parser": "^4.28.1",
 		"arrify": "^3.0.0",
 		"cosmiconfig": "^7.0.0",
-		"debug": "^4.3.1",
+		"debug": "^4.3.2",
 		"define-lazy-prop": "^3.0.0",
-		"eslint": "^7.29.0",
+		"eslint": "^7.30.0",
 		"eslint-config-prettier": "^8.3.0",
 		"eslint-config-xo": "^0.37.0",
-		"eslint-config-xo-typescript": "^0.42.0",
+		"eslint-config-xo-typescript": "^0.43.0",
 		"eslint-formatter-pretty": "^4.1.0",
 		"eslint-import-resolver-webpack": "^0.13.1",
 		"eslint-plugin-ava": "^12.0.0",
@@ -106,7 +106,7 @@
 		"nyc": "^15.1.0",
 		"proxyquire": "^2.1.3",
 		"temp-write": "^5.0.0",
-		"webpack": "^5.41.1"
+		"webpack": "^5.42.0"
 	},
 	"eslintConfig": {
 		"extends": [

readme.md

@@ -40,9 +40,11 @@ It uses [ESLint](https://eslint.org) underneath, so issues regarding built-in ru
 ## Install
 
 ```
-$ npm install --global xo
+$ npm install xo
 ```
 
+*You must install XO locally. You can run it directly with `$ npx xo`.*
+
 *JSX is supported by default, but you'll need [eslint-config-xo-react](https://github.com/xojs/eslint-config-xo-react#use-with-xo) for React specific linting. Vue components are not supported by default. You'll need [eslint-config-xo-vue](https://github.com/ChocPanda/eslint-config-xo-vue#use-with-xo) for specific linting in a Vue app.*
 
 ## Usage
@@ -89,15 +91,14 @@ $ xo --help
     - Put options in package.json instead of using flags so other tools can read it.
 ```
 
-*Note that the CLI will use your local install of XO when available, even when run globally.*
-
 ## Default code style
 
 *Any of these can be [overridden](#rules) if necessary.*
 
 - Tab indentation *[(or space)](#space)*
 - Semicolons *[(or not)](#semicolon)*
 - Single-quotes
+- [Trailing comma](https://medium.com/@nikgraf/why-you-should-enforce-dangling-commas-for-multiline-statements-d034c98e36f8) for multiline statements
 - No unused variables
 - Space after keyword `if (condition) {}`
 - Always `===` instead of `==`
@@ -120,9 +121,9 @@ Simply run `$ npm init xo` (with any options) to add XO to your package.json or
 +		"test": "xo && ava"
  	},
  	"devDependencies": {
--		"ava": "^2.0.0"
-+		"ava": "^2.0.0",
-+		"xo": "^0.25.0"
+-		"ava": "^3.0.0"
++		"ava": "^3.0.0",
++		"xo": "^0.41.0"
  	}
  }
 ```