chore(deps): update pnpm to v9.15.4

##### [v9.15.4](pnpm/pnpm@v9.15.3...v9.15.4)

Author: renovate[bot]

package.json

@@ -2,7 +2,7 @@
   "name": "eslint-plugin-mmkal",
   "version": "0.10.1",
   "description": "My eslint plugin with rules I find good. If you aren't me you probably shouldn't use this.",
-  "packageManager": "[email protected].3",
+  "packageManager": "[email protected].4",
   "files": [
     "README.md",
     "src/**",