chore: bump version to 3.8.1

Author: recca0120

package.json

@@ -4,7 +4,7 @@
   "displayName": "PHPUnit Test Explorer",
   "icon": "img/icon.png",
   "publisher": "recca0120",
-  "version": "3.8.0",
+  "version": "3.8.1",
   "private": true,
   "license": "MIT",
   "repository": {
@@ -13,7 +13,9 @@
   },
   "packageManager": "pnpm@10.12.4",
   "pnpm": {
-    "onlyBuiltDependencies": ["esbuild"]
+    "onlyBuiltDependencies": [
+      "esbuild"
+    ]
   },
   "engines": {
     "vscode": "^1.88.0"