chore: update pnpm to v9.15.4 (#601)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

package.json

@@ -17,7 +17,7 @@
     "url": "git+https://github.com/kufu/textlint-rule-preset-smarthr.git"
   },
   "engines": {
-    "pnpm": "=9.15.3"
+    "pnpm": "=9.15.4"
   },
   "scripts": {
     "example": "cd example && pnpm it",
@@ -82,5 +82,5 @@
   "author": "SmartHR textlint Team",
   "license": "MIT",
   "description": "SmartHRらしい文書を書くための、textlintルールプリセットを提供します。",
-  "packageManager": "[email protected].3+sha512.1f79bc245a66eb0b07c5d4d83131240774642caaa86ef7d0434ab47c0d16f66b04e21e0c086eb61e62c77efc4d7f7ec071afad3796af64892fae66509173893a"
+  "packageManager": "[email protected].4+sha512.b2dc20e2fc72b3e18848459b37359a32064663e5627a51e4c74b2c29dd8e8e0491483c3abb40789cfd578bf362fb6ba8261b05f0387d76792ed6e23ea3b1b6a0"
 }