chore!: drop Node 20 support

semantic-release@25 requires Node ^22.14.0 || >=24.10.0, which
conflicts with engine-strict=true when the engines field includes
Node 20. Align with typist's approach by narrowing the range.

BREAKING CHANGE: Minimum Node.js version is now 22.14.0.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: frankieyan

package.json

@@ -39,7 +39,7 @@
     "provenance": true
   },
   "engines": {
-    "node": "^20.0.0 || >=22.0.0"
+    "node": "^22.14.0 || >=24.10.0"
   },
   "files": [
     "dist",