Move node-cli to be pure ESM, use Conf for persistent storage

packages/node-cli/package.json

@@ -4,7 +4,7 @@
   "type": "module",
   "description": "Node.js command-line authorization client for iTwin platform",
   "engines": {
-    "node": ">=16"
+    "node": ">=18"
   },
   "scripts": {
     "build": "npm run -s build:esm",
@@ -19,9 +19,8 @@
     "pack": "npm pack",
     "rebuild": "npm run clean && npm run build"
   },
-  "main": "./lib/esm/index.js",
   "exports": "./lib/esm/index.js",
-  "typings": "./lib/esm/index.d.ts",
+    "typings": "./lib/esm/index.d.ts",
   "author": {
     "name": "Bentley Systems, Inc.",
     "url": "http://www.bentley.com"
@@ -33,15 +32,15 @@
     "directory": "packages/node-cli"
   },
   "dependencies": {
-    "@itwin/core-common": "^3.3.0 || ^4.0.0",
+    "@itwin/core-common": "^4.0.0",
     "@openid/appauth": "^1.3.1",
     "conf": "^11.0.2",
     "open": "^8.3.0",
     "username": "^5.1.0"
   },
   "devDependencies": {
     "@itwin/build-tools": "^4.0.0-dev.93",
-    "@itwin/core-bentley": "^3.7.0",
+    "@itwin/core-bentley": "^4.0.0",
     "@itwin/eslint-plugin": "^3.7.0",
     "@types/chai-as-promised": "^7.1.1",
     "@types/chai": "^4.2.22",
@@ -60,7 +59,7 @@
     "typescript": "~5.0.2"
   },
   "peerDependencies": {
-    "@itwin/core-bentley": "^3.3.0 || ^4.0.0"
+    "@itwin/core-bentley": "^4.0.0"
   },
   "eslintConfig": {
     "plugins": [

packages/node-cli/tsconfig.json

@@ -2,8 +2,8 @@
   "extends": "./node_modules/@itwin/build-tools/tsconfig-base.json",
   "compilerOptions": {
     "target": "ES2022",
-    "module": "Node16",
-    "moduleResolution": "Node16",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
     "outDir": "./lib"
   },
   "include": [