chore(deps): update pnpm to v9.15.5 (#9256)

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

Author: renovate[bot]

package.json

@@ -52,7 +52,7 @@
     "url": "https://github.com/web-infra-dev/rspack"
   },
   "engines": {
-    "pnpm": "9.15.4"
+    "pnpm": "9.15.5"
   },
   "devDependencies": {
     "@biomejs/biome": "1.9.4",
@@ -82,7 +82,7 @@
     "webpack-cli": "5.1.4",
     "zx": "8.3.0"
   },
-  "packageManager": "[email protected].4",
+  "packageManager": "[email protected].5",
   "pnpm": {
     "patchedDependencies": {
       "graceful-fs": "patches/graceful-fs.patch",