Update dependency pinia to v4

[gardener-ci-robot]

This PR contains the following updates:

Package	Change	Age	Confidence
pinia (source)	^3.0.0 → ^4.0.0

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Release Notes

vuejs/pinia (pinia)

v4.0.2

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No significant changes

    View changes on GitHub

v4.0.1

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   🐞 Bug Fixes

• Re-add missing types exports field  -  by @​rijkvanzanten in #​3154 (fb217)

    View changes on GitHub

v4.0.0

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Pinia 4

Pinia 4 contains only technically breaking changes: ESM only and upgrading @vue/devtools-api which now must be installed alongside pinia. It contains a major refactor of errors and dev warnings with Nostics. They will ensure detected problems are easier to fix, both by humans and by agents.

   🚀 Features

• Upgrade devtools-api to v8  -  by @​posva (25572)
• Use nostics for better errors  -  by @​posva (f3522)
• Gracefully skip nullish values in storeToRefs  -  by @​JSap0914 and @​posva in #​3134 (cac82)
• Diagnostic on invalid properties when doing storeToRefs  -  by @​posva (e7313)
• Diagnostic wrong values in plugins  -  by @​posva (29835)
• Export piniaSymbol  -  by @​cexoso in #​2973 (d715b)

   🐞 Bug Fixes

• Use modern Object.hasOwn  -  by @​posva (57ecc)
• Respect skipHydrate marker on non-plain objects in shouldHydrate  -  by @​lestersg5hollis0 and Runecraft in #​3126 (2dcb3)
• Prevent duplicate watcher when same callback subscribed twice  -  by @​JSap0914 in #​3144 (99dca)
• ci: Pin pnpm to 11.7.0 to match action-setup bootstrap  -  by @​posva (d7973)
• devtools: Make settable getters (computed) editable  -  by @​posva in #​3151 (640b1)
• hmr: Preserve runtime-added properties of setup store refs  -  by @​chatman-media in #​3132 (aec2a)

    View changes on GitHub

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[coderabbitai]

📝 Walkthrough

Walkthrough

Updates the frontend Pinia dependency from version 3 to version 4 and synchronizes Yarn PnP metadata, including virtual package references, cached dependencies, and the new nostics entry.

Changes

Pinia dependency update

Layer / File(s)	Summary
Pinia dependency constraint frontend/package.json	The pinia dependency changes from ^3.0.0 to ^4.0.0.
Yarn PnP resolution metadata .pnp.cjs	Pinia locators and virtual package metadata are updated to 4.0.2; nostics 1.1.4 is added, and obsolete cached dependency entries are removed.

Estimated code review effort: 2 (Simple) | ~10 minutes

Suggested labels: approved, lgtm

Suggested reviewers: grolu, grolu, klocke-io

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description notes the dependency update and release notes, but omits required template sections like categorization, issue, special notes, and release note fields.	Add the required /area and /kind selections, fill in the What this PR does, fixes, special notes, and release note block per the template.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly and accurately summarizes the main change: upgrading pinia to v4.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch renovate/pinia-4.x

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