Fix: Update Node.js requirements to 18+ for ESLint compatibility

Author: Maxim Titovich

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x]
+        node-version: [18.x, 20.x]
 
     steps:
     - uses: actions/checkout@v3

README.md

@@ -226,7 +226,7 @@ registerTools(server, azureDevOpsService);
 
 ### Prerequisites
 
-- Node.js 16 or higher
+- Node.js 18 or higher
 - npm or yarn
 - Azure DevOps account with a personal access token
 

package.json

@@ -61,7 +61,7 @@
     "typescript": "^5.3.3"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=18.0.0"
   },
   "repository": {
     "type": "git",