chore: update peer dependency (#8)

At least v1.28 is required. `window.playwrightUpdate` was introduced in that version.

Author: sand4rt

package.json

@@ -29,7 +29,7 @@
     "prepublishOnly": "npm run build"
   },
   "peerDependencies": {
-    "@playwright/test": "1.x",
+    "@playwright/test": ">=1.28.0",
     "preact": "10.x"
   },
   "devDependencies": {