fix: bump ESLint-related packages to latest (#468)

<!-- 👋 Hi, thanks for sending a PR to eslint-plugin-expect-type! 💖.
Please fill out all fields below and make sure each item is true and [x]
checked.
Otherwise we may not be able to review your PR. -->

## PR Checklist

- [x] Addresses an existing open issue: fixes #463; fixes #465
- [x] That issue was marked as [`status: accepting
prs`](https://github.com/JoshuaKGoldberg/eslint-plugin-expect-type/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22)
- [x] Steps in
[CONTRIBUTING.md](https://github.com/JoshuaKGoldberg/eslint-plugin-expect-type/blob/main/.github/CONTRIBUTING.md)
were taken

## Overview

This includes allowing `@typescript-eslint/utils@8`.

.github/workflows/lint.yml

@@ -4,6 +4,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/prepare
+      - run: pnpm build
       - run: pnpm lint
 
 name: Lint

eslint.config.cjs

@@ -0,0 +1,159 @@
+const eslint = require("@eslint/js");
+const comments = require("@eslint-community/eslint-plugin-eslint-comments/configs");
+const vitest = require("@vitest/eslint-plugin");
+const eslintPlugin = require("eslint-plugin-eslint-plugin");
+const jsdoc = require("eslint-plugin-jsdoc");
+const jsonc = require("eslint-plugin-jsonc");
+const markdown = require("eslint-plugin-markdown");
+const n = require("eslint-plugin-n");
+const {
+	default: packageJson,
+} = require("eslint-plugin-package-json/configs/recommended");
+const perfectionist = require("eslint-plugin-perfectionist");
+const regexp = require("eslint-plugin-regexp");
+const yml = require("eslint-plugin-yml");
+const tseslint = require("typescript-eslint");
+
+module.exports = tseslint.config(
+	{
+		ignores: [
+			"coverage",
+			"lib",
+			"node_modules",
+			"pnpm-lock.yaml",
+			"**/*.snap*",
+		],
+	},
+	{
+		linterOptions: {
+			reportUnusedDisableDirectives: "error",
+		},
+	},
+	eslint.configs.recommended,
+	...jsonc.configs["flat/recommended-with-json"],
+	...markdown.configs.recommended,
+	...yml.configs["flat/recommended"],
+	...yml.configs["flat/prettier"],
+	comments.recommended,
+	eslintPlugin.configs["flat/recommended"],
+	jsdoc.configs["flat/contents-typescript-error"],
+	jsdoc.configs["flat/logical-typescript-error"],
+	jsdoc.configs["flat/stylistic-typescript-error"],
+	n.configs["flat/recommended"],
+	packageJson,
+	perfectionist.configs["recommended-natural"],
+	regexp.configs["flat/recommended"],
+	...tseslint.config({
+		extends: [
+			...tseslint.configs.strictTypeChecked,
+			...tseslint.configs.stylisticTypeChecked,
+		],
+		files: ["**/*.js", "**/*.ts"],
+		languageOptions: {
+			parserOptions: {
+				projectService: {
+					allowDefaultProject: [".*.js", "*.ts"],
+					defaultProject: "./tsconfig.json",
+				},
+				tsconfigRootDir: __dirname,
+			},
+		},
+		rules: {
+			// These on-by-default rules work well for this repo if configured
+			"@typescript-eslint/no-unnecessary-condition": [
+				"error",
+				{
+					allowConstantLoopConditions: true,
+				},
+			],
+			"@typescript-eslint/no-unused-vars": ["error", { caughtErrors: "all" }],
+
+			"@typescript-eslint/prefer-nullish-coalescing": [
+				"error",
+				{ ignorePrimitives: true },
+			],
+			"@typescript-eslint/restrict-template-expressions": [
+				"error",
+				{ allowBoolean: true, allowNullish: true, allowNumber: true },
+			],
+
+			// These on-by-default rules don't work well for this repo and we like them off.
+			"jsdoc/lines-before-block": "off",
+			// These off-by-default rules work well for this repo and we like them on.
+			"logical-assignment-operators": [
+				"error",
+				"always",
+				{ enforceForIfStatements: true },
+			],
+			"n/no-unsupported-features/node-builtins": [
+				"error",
+				{ allowExperimental: true },
+			],
+			"no-constant-condition": "off",
+			// Stylistic concerns that don't interfere with Prettier
+			"no-useless-rename": "error",
+			"object-shorthand": "error",
+
+			"operator-assignment": "error",
+			"perfectionist/sort-objects": [
+				"error",
+				{
+					order: "asc",
+					partitionByComment: true,
+					type: "natural",
+				},
+			],
+		},
+	}),
+	{
+		files: ["**/tsconfig.json"],
+		rules: {
+			"jsonc/comma-dangle": "off",
+			"jsonc/no-comments": "off",
+			"jsonc/sort-keys": "error",
+		},
+	},
+	{
+		extends: [tseslint.configs.disableTypeChecked],
+		files: ["**/*.md/*.ts"],
+		rules: {
+			// Ignore unused code, as they're often commented with the plugin
+			"@typescript-eslint/no-unused-expressions": "off",
+			"@typescript-eslint/no-unused-vars": "off",
+		},
+	},
+	{
+		files: ["**/*.test.*"],
+		languageOptions: {
+			globals: vitest.environments.env.globals,
+		},
+		plugins: { vitest },
+		rules: {
+			...vitest.configs.recommended.rules,
+
+			// These on-by-default rules aren't useful in test files.
+			"@typescript-eslint/no-unsafe-assignment": "off",
+			"@typescript-eslint/no-unsafe-call": "off",
+		},
+	},
+	{
+		files: ["**/*.{yml,yaml}"],
+		rules: {
+			"yml/file-extension": ["error", { extension: "yml" }],
+			"yml/sort-keys": [
+				"error",
+				{
+					order: { type: "asc" },
+					pathPattern: "^.*$",
+				},
+			],
+			"yml/sort-sequence-values": [
+				"error",
+				{
+					order: { type: "asc" },
+					pathPattern: "^.*$",
+				},
+			],
+		},
+	},
+);

knip.jsonc → knip.json

@@ -1,7 +1,6 @@
 {
 	"$schema": "https://unpkg.com/knip@latest/schema.json",
-	"entry": ["src/index.ts!"],
-	"ignore": "src/rules/sandbox/**/*",
+	"entry": ["src/index.ts!", "src/rules/*.test.ts"],
 	"ignoreExportsUsedInFile": { "interface": true, "type": true },
 	"project": ["src/**/*.ts!"]
 }