chore(deps): update dependency @grafana/plugin-e2e to v3.1.2 (#2217)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
|
[@grafana/plugin-e2e](https://redirect.github.com/grafana/plugin-tools)
([source](https://redirect.github.com/grafana/plugin-tools/tree/HEAD/packages/plugin-e2e))
| [`3.1.1` →
`3.1.2`](https://renovatebot.com/diffs/npm/@grafana%2fplugin-e2e/3.1.1/3.1.2)
|
![age](https://developer.mend.io/api/mc/badges/age/npm/@grafana%2fplugin-e2e/3.1.2?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@grafana%2fplugin-e2e/3.1.1/3.1.2?slim=true)
|

---

### Release Notes

<details>
<summary>grafana/plugin-tools (@&#8203;grafana/plugin-e2e)</summary>

###
[`v3.1.2`](https://redirect.github.com/grafana/plugin-tools/compare/@grafana/plugin-e2e@3.1.1...@grafana/plugin-e2e@3.1.2)

[Compare
Source](https://redirect.github.com/grafana/plugin-tools/compare/@grafana/plugin-e2e@3.1.1...@grafana/plugin-e2e@3.1.2)

</details>

---

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---

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package.json

@@ -46,7 +46,7 @@
     "@changesets/cli": "2.29.8",
     "@grafana/e2e-selectors": "12.3.1",
     "@grafana/eslint-config": "9.0.0",
-    "@grafana/plugin-e2e": "3.1.1",
+    "@grafana/plugin-e2e": "3.1.2",
     "@grafana/tsconfig": "2.0.1",
     "@playwright/test": "1.57.0",
     "@stylistic/eslint-plugin-ts": "4.4.1",