refactor: update ESLint to v9

.husky/post-merge

@@ -1,4 +1 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
 npx --no-install post-merge-install

.husky/post-rebase

@@ -1,4 +1 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
 npx --no-install post-merge-install

.husky/pre-commit

@@ -1,4 +1 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
 npx --no-install lint-staged

eslint.config.mjs

@@ -0,0 +1,30 @@
+import baseConfig from '@croquiscom/eslint-config/requiring-type-checking.mjs';
+import globals from 'globals';
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(
+  ...baseConfig,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+
+      parserOptions: {
+        projectService: true,
+        tsconfigRootDir: import.meta.dirname,
+      },
+    },
+
+    settings: {
+      'import/resolver': {
+        typescript: true,
+      },
+    },
+
+    rules: {},
+  },
+  {
+    ignores: ['eslint.config.mjs'],
+  },
+);