Update dependency grafana/grafana-build-tools to v0.15.0

[grafanarenovatebot[bot]]

This PR contains the following updates:

Package	Update	Change
grafana/grafana-build-tools	minor	v0.11.0 -> v0.15.0

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Release Notes

grafana/grafana-build-tools (grafana/grafana-build-tools)

### [`v0.15.0`](https://togithub.com/grafana/grafana-build-tools/blob/HEAD/CHANGELOG.md#v0150---2024-06-28) [Compare Source](https://togithub.com/grafana/grafana-build-tools/compare/v0.14.0...v0.15.0) #### \[v0.15.0] - 2024-06-28 ### [`v0.14.0`](https://togithub.com/grafana/grafana-build-tools/blob/HEAD/CHANGELOG.md#v0140---2024-06-20) [Compare Source](https://togithub.com/grafana/grafana-build-tools/compare/v0.13.0...v0.14.0) #### \[v0.14.0] - 2024-06-20 ### [`v0.13.0`](https://togithub.com/grafana/grafana-build-tools/blob/HEAD/CHANGELOG.md#v0130---2024-06-05) [Compare Source](https://togithub.com/grafana/grafana-build-tools/compare/v0.12.0...v0.13.0) #### \[v0.13.0] - 2024-06-05 ### [`v0.12.0`](https://togithub.com/grafana/grafana-build-tools/blob/HEAD/CHANGELOG.md#v0120---2024-05-30) [Compare Source](https://togithub.com/grafana/grafana-build-tools/compare/v0.11.0...v0.12.0) #### \[v0.12.0] - 2024-05-30

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Configuration

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This PR has been generated by Renovate Bot.