fix: update package.json engines to reflect node20 support

Author: OrKoN

package.json

@@ -65,6 +65,6 @@
     "typescript-eslint": "^8.43.0"
   },
   "engines": {
-    "node": ">=22.12.0"
+    "node": "^20.19.0 || ^22.12.0 || >=23"
   }
 }

src/index.ts

@@ -10,6 +10,14 @@ import {version} from 'node:process';
 
 const [major, minor] = version.substring(1).split('.').map(Number);
 
+if (major === 20 && minor < 19) {
+  console.error(
+    `ERROR: \`chrome-devtools-mcp\` does not support Node ${process.version}. Please upgrade to Node 22.12.0 LTS or a newer LTS.`,
+  );
+  process.exit(1);
+}
+
+
 if (major === 22 && minor < 12) {
   console.error(
     `ERROR: \`chrome-devtools-mcp\` does not support Node ${process.version}. Please upgrade to Node 22.12.0 LTS or a newer LTS.`,