feat: upgrade to tsup v7

Author: hannoeru

package.json

@@ -9,15 +9,20 @@
   "files": [
     "dist"
   ],
-  "types": "./dist/index.d.ts",
   "exports": {
     ".": {
-      "import": "./dist/index.mjs",
-      "default": "./dist/index.js"
+      "import": {
+        "types": "./dist/index.d.mts",
+        "default": "./dist/index.mjs"
+      },
+      "require": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      }
     }
   },
   "scripts": {
-    "build": "tsup src/index.ts --format cjs,esm --dts",
+    "build": "tsup",
     "test": "npm run build && uvu -r esbuild-register --ignore fixtures",
     "prepublishOnly": "npm run build"
   },
@@ -37,7 +42,7 @@
     "path-exists": "^5.0.0",
     "prettier": "2.5.1",
     "rollup": "^2.60.0",
-    "tsup": "5.12.5",
+    "tsup": "7.2.0",
     "typescript": "4.5.4",
     "uvu": "^0.5.2",
     "vite": "^2.6.14"