Update dependencies

Closes #148

index.d.ts

@@ -78,7 +78,7 @@ declare namespace meow {
 		readonly autoVersion?: boolean;
 
 		/**
-		package.json as an `Object`. Default: Closest package.json upwards.
+		`package.json` as an `Object`. Default: Closest `package.json` upwards.
 
 		_You most likely don't need this option._
 		*/
@@ -89,7 +89,7 @@ declare namespace meow {
 
 		@default process.argv.slice(2)
 		*/
-		readonly argv?: ReadonlyArray<string>;
+		readonly argv?: readonly string[];
 
 		/**
 		Infer the argument type.
@@ -213,12 +213,12 @@ declare namespace meow {
 
 		@param exitCode - The exit code to use. Default: `2`.
 		*/
-		showHelp(exitCode?: number): void;
+		showHelp: (exitCode?: number) => void;
 
 		/**
 		Show the version text and exit.
 		*/
-		showVersion(): void;
+		showVersion: () => void;
 	}
 }
 /**

package.json

@@ -41,27 +41,28 @@
 	],
 	"dependencies": {
 		"@types/minimist": "^1.2.0",
-		"camelcase-keys": "^6.1.1",
+		"camelcase-keys": "^6.2.2",
 		"decamelize-keys": "^1.1.0",
-		"hard-rejection": "^2.0.0",
-		"minimist-options": "^4.0.1",
+		"hard-rejection": "^2.1.0",
+		"minimist-options": "^4.0.2",
 		"normalize-package-data": "^2.5.0",
-		"read-pkg-up": "^7.0.0",
+		"read-pkg-up": "^7.0.1",
 		"redent": "^3.0.0",
 		"trim-newlines": "^3.0.0",
-		"type-fest": "^0.8.1",
-		"yargs-parser": "^18.1.1"
+		"type-fest": "^0.13.1",
+		"yargs-parser": "^18.1.3"
 	},
 	"devDependencies": {
 		"ava": "^2.4.0",
-		"execa": "^3.3.0",
+		"execa": "^4.0.0",
 		"indent-string": "^4.0.0",
 		"tsd": "^0.11.0",
-		"xo": "^0.25.3"
+		"xo": "^0.30.0"
 	},
 	"xo": {
 		"rules": {
-			"unicorn/no-process-exit": "off"
+			"unicorn/no-process-exit": "off",
+			"node/no-unsupported-features/es-syntax": "off"
 		}
 	}
 }