feat: onboard eslint-plugin-package-json (#1269)

## PR Checklist

- [x] Addresses an existing open issue: fixes #839
- [x] That issue was marked as [`status: accepting
prs`](https://github.com/JoshuaKGoldberg/create-typescript-app/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22)
- [x] Steps in
[CONTRIBUTING.md](https://github.com/JoshuaKGoldberg/create-typescript-app/blob/main/.github/CONTRIBUTING.md)
were taken

## Overview

Directly swaps from the standalone `npm-package-json-lint` linter to
using `eslint-plugin-package-json` in the existing ESLint config. Fewer
tools, yay!

.eslintrc.cjs

@@ -107,6 +107,12 @@ module.exports = {
 				"jsonc/no-comments": "off",
 			},
 		},
+		{
+			extends: ["plugin:package-json/recommended"],
+			files: ["package.json"],
+			parser: "jsonc-eslint-parser",
+			plugins: ["package-json"],
+		},
 		{
 			files: "**/*.test.ts",
 			rules: {

.github/DEVELOPMENT.md

@@ -47,7 +47,6 @@ Each should be shown in VS Code, and can be run manually on the command-line:
 - `pnpm lint` ([ESLint](https://eslint.org) with [typescript-eslint](https://typescript-eslint.io)): Lints JavaScript and TypeScript source files
 - `pnpm lint:knip` ([knip](https://github.com/webpro/knip)): Detects unused files, dependencies, and code exports
 - `pnpm lint:md` ([Markdownlint](https://github.com/DavidAnson/markdownlint)): Checks Markdown source files
-- `pnpm lint:package-json` ([npm-package-json-lint](https://npmpackagejsonlint.org/)): Lints the `package.json` file
 - `pnpm lint:packages` ([pnpm dedupe --check](https://pnpm.io/cli/dedupe)): Checks for unnecessarily duplicated packages in the `pnpm-lock.yml` file
 - `pnpm lint:spelling` ([cspell](https://cspell.org)): Spell checks across all source files
 

docs/Options.md

@@ -88,7 +88,7 @@ Alternately, you can bypass that prompt by providing any number of the following
 - `--exclude-lint-json`: Don't apply linting and sorting to `*.json` and `*.jsonc` files.
 - `--exclude-lint-knip`: Don't add Knip to detect unused files, dependencies, and code exports.
 - `--exclude-lint-md`: Don't apply linting to `*.md` files.
-- `--exclude-lint-package-json`: Don't add npm-package-json-lint to lint for package.json correctness.
+- `--exclude-lint-package-json`: Don't add eslint-plugin-package-json to lint for package.json correctness.
 - `--exclude-lint-deprecation`: Don't use eslint-plugin-deprecation to report on usage of code marked as `@deprecated`.
 - `--exclude-lint-eslint`: Don't use eslint-plugin-eslint-comment to enforce good practices around ESLint comment directives.
 - `--exclude-lint-jsdoc`: Don't use eslint-plugin-jsdoc to enforce good practices around JSDoc comments.

docs/Tooling.md

@@ -267,13 +267,7 @@ pnpm lint:md
 
 ### Lint Package JSON
 
-[`npm-package-json-lint`](https://github.com/tclindner/npm-package-json-lint): Linting for `package.json` files.
-
-```shell
-pnpm lint:package-json
-```
-
-> This is a separate linter from ESLint, but will likely eventually be switched to an ESLint plugin ([#839](https://github.com/JoshuaKGoldberg/create-typescript-app/issues/839)).
+[`eslint-plugin-package-json`](https://github.com/JoshuaKGoldberg/eslint-plugin-package-json): Linting for `package.json` files.
 
 ### Lint Packages
 

package.json

@@ -2,10 +2,7 @@
 	"name": "create-typescript-app",
 	"version": "1.55.0",
 	"description": "Quickstart-friendly TypeScript template with comprehensive, configurable, opinionated tooling. 💝",
-	"repository": {
-		"type": "git",
-		"url": "https://github.com/JoshuaKGoldberg/create-typescript-app"
-	},
+	"repository": "JoshuaKGoldberg/create-typescript-app",
 	"license": "MIT",
 	"author": {
 		"name": "Josh Goldberg",
@@ -28,7 +25,6 @@
 		"lint": "eslint . .*js --max-warnings 0",
 		"lint:knip": "knip",
 		"lint:md": "markdownlint \"**/*.md\" \".github/**/*.md\" --rules sentences-per-line",
-		"lint:package-json": "npmPkgJsonLint .",
 		"lint:packages": "pnpm dedupe --check",
 		"lint:spelling": "cspell \"**\" \".github/**/*\"",
 		"prepare": "husky install",
@@ -84,6 +80,7 @@
 		"eslint-plugin-markdown": "^3.0.1",
 		"eslint-plugin-n": "^16.3.1",
 		"eslint-plugin-no-only-tests": "^3.1.0",
+		"eslint-plugin-package-json": "^0.10.0",
 		"eslint-plugin-perfectionist": "^2.5.0",
 		"eslint-plugin-regexp": "^2.1.2",
 		"eslint-plugin-vitest": "^0.3.10",
@@ -95,8 +92,6 @@
 		"lint-staged": "^15.2.0",
 		"markdownlint": "^0.33.0",
 		"markdownlint-cli": "^0.38.0",
-		"npm-package-json-lint": "^7.1.0",
-		"npm-package-json-lint-config-default": "^6.0.0",
 		"prettier-plugin-curly": "^0.1.3",
 		"prettier-plugin-packagejson": "^2.4.7",
 		"release-it": "^17.0.0",