Mark Node.js 21 as supported

Author: igorkamyshev

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 17.x, 18.x, 19.x, 20.x]
+        node-version: [16.x, 17.x, 18.x, 19.x, 20.x, 21.x]
 
     steps:
       - uses: actions/checkout@v2

package.json

@@ -23,7 +23,7 @@
     "access": "public"
   },
   "engines": {
-    "node": "^16 || ^17 || ^18 || ^19 || ^20"
+    "node": "^16 || ^17 || ^18 || ^19 || ^20 || ^21"
   },
   "devDependencies": {
     "@types/react": "^17.0.37",