Update dependency pinia to v2.2.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pinia	2.2.5 -> 2.2.6

---

Release Notes

vuejs/pinia (pinia)

### [`v2.2.6`](https://redirect.github.com/vuejs/pinia/compare/pinia@2.2.5...pinia@2.2.6) [Compare Source](https://redirect.github.com/vuejs/pinia/compare/pinia@2.2.5...pinia@2.2.6)

---

Configuration

📅 Schedule: Branch creation - "before 4am" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.