chore: reformat with 2-space indentation (biome)

vitest.config.ts

@@ -1,15 +1,15 @@
 import { defineConfig } from 'vitest/config';
 
 export default defineConfig({
-	test: {
-		globals: true,
-		environment: 'node',
-		include: ['tests/**/*.test.ts'],
-		coverage: {
-			provider: 'v8',
-			reporter: ['text', 'html'],
-			include: ['src/**/*.ts'],
-			exclude: ['src/index.ts'],
-		},
-	},
+  test: {
+    globals: true,
+    environment: 'node',
+    include: ['tests/**/*.test.ts'],
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'html'],
+      include: ['src/**/*.ts'],
+      exclude: ['src/index.ts'],
+    },
+  },
 });