Publish v4.0 with Flat Config support

- Updated .npmignore to not include `vendor` since its only needed for
  testing
- Added an explicit comment in the README to use v4 for newer eslints
- Updated package version
- Fixed git URL via `npm pkg fix`
- Bumped up node support version to the last supported LTS

.npmignore

@@ -2,9 +2,11 @@ test
 examples
 private
 tmp
+coverage
 .npmignore
 .eslintrc
 .github
 .vscode
 .nycrc
 .eslintignore
+vendor

README.md

@@ -7,8 +7,7 @@
 
 > Eslint plugin for JSON files
 
-:warning: Starting from **major 2.0**, rules **need to be explicitly activated**.
-[See **here** the minimal config to add](#basic-configuration) :rotating_light:
+:warning: If you are using eslint v9 or newer, use eslint-plugin-json v4 or newer.
 
 ## Installation
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "eslint-plugin-json",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "description": "eslint plugin for JSON files",
   "keywords": [
     "eslint",
@@ -22,7 +22,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/azeemba/eslint-plugin-json"
+    "url": "git+https://github.com/azeemba/eslint-plugin-json.git"
   },
   "bugs": {
     "url": "https://github.com/azeemba/eslint-plugin-json/issues"
@@ -43,7 +43,7 @@
     "prettier": "^2.3.2"
   },
   "engines": {
-    "node": ">=12.0"
+    "node": ">=18.0"
   },
   "url": "https://github.com/azeemba/eslint-plugin-json",
   "license": "MIT"