Bump version to 0.2.1

Update @accesslint/core to ^0.6.6 (document element selector fix).

Author: ckundo

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@accesslint/playwright",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Accessibility assertions for Playwright — toBeAccessible() matcher powered by AccessLint",
   "license": "MIT",
   "publishConfig": {
@@ -39,7 +39,7 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "@accesslint/core": "^0.6.5"
+    "@accesslint/core": "^0.6.6"
   },
   "devDependencies": {
     "@playwright/test": "^1.50.0",