feat!: establish baseline Node.js version support

BREAKING CHANGE: Adds `engines.node` field in `package.json` with value of `^16.20.0 || ^18.0.0 || ^20.0.0 || ^22.0.0`. Versions which do not satisfy this range are unsupported.

- Adds Node.js v22 to build matrix

.github/workflows/nodejs-test.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest]
-        node: [16.x, 18.x, 20.x]
+        node: [16.x, 18.x, 20.x, 22.x]
 
     steps:
       - uses: actions/checkout@v4

package.json

@@ -70,5 +70,8 @@
     "rollup": "4.24.0",
     "typescript": "5.6.3",
     "yorkie": "2.0.0"
+  },
+  "engines": {
+    "node": "^16.20.0 || ^18.0.0 || ^20.0.0 || ^22.0.0"
   }
 }