Migrate all samples to eslint 9

Switches all samples to use eslint 9 with flat configs. I've tried to migrate existing settings as much as possible. However our eslint configs were also inconsistent so I've tried to align these too

webpack-sample/.eslintrc.js

@@ -1,20 +0,0 @@
-/**@type {import('eslint').Linter.Config} */
-// eslint-disable-next-line no-undef
-module.exports = {
-	root: true,
-	parser: '@typescript-eslint/parser',
-	plugins: [
-		'@typescript-eslint',
-	],
-	extends: [
-		'eslint:recommended',
-		'plugin:@typescript-eslint/recommended',
-	],
-	rules: {
-		'semi': [2, "always"],
-		'@typescript-eslint/no-unused-vars': 0,
-		'@typescript-eslint/no-explicit-any': 0,
-		'@typescript-eslint/explicit-module-boundary-types': 0,
-		'@typescript-eslint/no-non-null-assertion': 0,
-	}
-};

webpack-sample/eslint.config.mjs

@@ -0,0 +1,44 @@
+/**
+ * ESLint configuration for the project.
+ * 
+ * See https://eslint.style and https://typescript-eslint.io for additional linting options.
+ */
+// @ts-check
+import js from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import stylistic from '@stylistic/eslint-plugin';
+
+export default tseslint.config(
+	{
+		ignores: [
+			'out',
+			'webpack.config.js'
+		]
+	},
+	js.configs.recommended,
+	...tseslint.configs.recommended,
+	...tseslint.configs.stylistic,
+	{
+		plugins: {
+			'@stylistic': stylistic
+		},
+		rules: {
+			'curly': 'warn',
+			'@stylistic/semi': ['warn', 'always'],
+			'@typescript-eslint/no-empty-function': 'off',
+			'@typescript-eslint/naming-convention': [
+				'warn',
+				{
+					'selector': 'import',
+					'format': ['camelCase', 'PascalCase']
+				}
+			],
+			'@typescript-eslint/no-unused-vars': [
+				'error',
+				{
+					'argsIgnorePattern': '^_'
+				}
+			]
+		}
+	}
+);

webpack-sample/package.json

@@ -31,16 +31,17 @@
 		"webpack": "webpack --mode development",
 		"webpack-dev": "webpack --mode development --watch",
 		"test-compile": "tsc -p ./",
-		"lint": "eslint \"src/**/*.ts\""
+		"lint": "eslint"
 	},
 	"devDependencies": {
+		"@eslint/js": "^9.13.0",
+		"@stylistic/eslint-plugin": "^2.9.0",
 		"@types/node": "^20",
 		"@types/vscode": "^1.73.0",
-		"@typescript-eslint/eslint-plugin": "^7.14.0",
-		"@typescript-eslint/parser": "^7.14.0",
-		"eslint": "^8.26.0",
+		"eslint": "^9.13.0",
 		"ts-loader": "^7.0.5",
 		"typescript": "^5.6.2",
+		"typescript-eslint": "^8.11.0",
 		"webpack": "^5.75.0",
 		"webpack-cli": "^5.0.1"
 	}