Update dependency @grafana/plugin-e2e to v1.12.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@grafana/plugin-e2e (source)	1.11.3 -> 1.12.0

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Release Notes

grafana/plugin-tools (@​grafana/plugin-e2e)

### [`v1.12.0`](https://redirect.github.com/grafana/plugin-tools/blob/HEAD/packages/plugin-e2e/CHANGELOG.md#v1120-Mon-Nov-11-2024) [Compare Source](https://redirect.github.com/grafana/plugin-tools/compare/@grafana/plugin-e2e@1.11.3...@grafana/plugin-e2e@1.12.0) ##### 🚀 Enhancement - Support node 22 [#​1298](https://redirect.github.com/grafana/plugin-tools/pull/1298) ([@​sunker](https://redirect.github.com/sunker)) ##### Authors: 1 - Erik Sundell ([@​sunker](https://redirect.github.com/sunker)) ***

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