chore(deps): update pnpm to v9.15.1 (#653)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pnpm](https://pnpm.io)
([source](https://redirect.github.com/pnpm/pnpm/tree/HEAD/pnpm)) |
[`9.15.0` ->
`9.15.1`](https://renovatebot.com/diffs/npm/pnpm/9.15.0/9.15.1) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/pnpm/9.15.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/pnpm/9.15.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/pnpm/9.15.0/9.15.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/pnpm/9.15.0/9.15.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>pnpm/pnpm (pnpm)</summary>

###
[`v9.15.1`](https://redirect.github.com/pnpm/pnpm/compare/v9.15.0...v9.15.1)

[Compare
Source](https://redirect.github.com/pnpm/pnpm/compare/v9.15.0...v9.15.1)

</details>

---

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package.json

@@ -90,7 +90,7 @@
 		"typescript-eslint": "^8.18.0",
 		"vitest": "^2.1.8"
 	},
-	"packageManager": "pnpm@9.15.0",
+	"packageManager": "pnpm@9.15.1",
 	"engines": {
 		"node": ">=18"
 	},