fix: move dotenv to dependencies and add Node.js version check

Author: rongquan1

package-lock.json

@@ -38,6 +38,7 @@
     "@trustvc/trustvc": "^2.11.1",
     "@types/yargs": "^17.0.32",
     "chalk": "^4.1.2",
+    "dotenv": "^16.0.0",
     "ethers": "^6.15.0",
     "inquirer": "^13.1.0",
     "node-fetch": "^3.3.2",
@@ -52,7 +53,6 @@
     "@types/tmp": "^0.2.6",
     "@typescript-eslint/eslint-plugin": "^8.50.1",
     "@typescript-eslint/parser": "^8.50.1",
-    "dotenv": "^17.2.3",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-formatter-table": "^7.32.1",

package.json

@@ -1,4 +1,13 @@
 #!/usr/bin/env node
+const [major] = process.versions.node.split('.').map(Number);
+if (major < 22) {
+  console.error(
+    `Error: Node.js 22 or higher is required. You are using Node.js ${process.versions.node}.`,
+  );
+  console.error('Please upgrade: https://nodejs.org or use nvm: nvm install 22 && nvm use 22');
+  process.exit(1);
+}
+
 import path from 'path';
 import yargs from 'yargs';
 import signale from 'signale';