Meta tweaks

Author: sindresorhus

.github/workflows/main.yml

@@ -12,8 +12,8 @@ jobs:
         node-version:
           - 16
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

package.json

@@ -12,6 +12,8 @@
 	},
 	"type": "module",
 	"exports": "./index.js",
+	"types": "./index.d.ts",
+	"sideEffects": false,
 	"engines": {
 		"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
 	},