fix(deps): update rust crate tauri-plugin-positioner to v2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tauri-plugin-positioner	dependencies	major	1.0.5 -> 2.0.2

---

Release Notes

tauri-apps/plugins-workspace (tauri-plugin-positioner)

v2.0.1

v2.0.0

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, 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.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: src-tauri/Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path src-tauri/Cargo.toml --workspace
    Updating crates.io index
    Updating git repository `https://github.com/tauri-apps/plugins-workspace`
From https://github.com/tauri-apps/plugins-workspace
 * [new ref]         077b3d44fb0c1b1377193dd93125ecf7c4ea04e4 -> refs/commit/077b3d44fb0c1b1377193dd93125ecf7c4ea04e4
 * [new tag]         persisted-scope-v0.1.1 -> persisted-scope-v0.1.1
 * [new tag]         persisted-scope-v0.1.2 -> persisted-scope-v0.1.2
 * [new tag]         persisted-scope-v0.1.3 -> persisted-scope-v0.1.3
 * [new tag]         positioner-v1.0.5 -> positioner-v1.0.5
 * [new tag]         window-state-v0.1.1 -> window-state-v0.1.1
error: failed to select a version for `tauri-plugin-positioner`.
    ... required by package `app v0.17.5 (/tmp/renovate/repos/github/colinlienard/gitlight/src-tauri)`
versions that meet the requirements `^2.0.2` are: 2.0.2

the package `app` depends on `tauri-plugin-positioner`, with features: `system-tray` but `tauri-plugin-positioner` does not have these features.


failed to select a version for `tauri-plugin-positioner` which could resolve this conflict