Update Helm release grafana to v8.3.4

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
grafana (source)	patch	8.3.3 -> 8.3.4

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Release Notes

grafana/helm-charts (grafana)

### [`v8.3.4`](https://togithub.com/grafana/helm-charts/releases/tag/grafana-8.3.4) [Compare Source](https://togithub.com/grafana/helm-charts/compare/grafana-8.3.3...grafana-8.3.4) The leading tool for querying and visualizing time series and metrics. #### What's Changed - \[grafana] TYPO by [@​mattclegg](https://togithub.com/mattclegg) in [https://github.com/grafana/helm-charts/pull/3166](https://togithub.com/grafana/helm-charts/pull/3166) #### New Contributors - [@​mattclegg](https://togithub.com/mattclegg) made their first contribution in [https://github.com/grafana/helm-charts/pull/3166](https://togithub.com/grafana/helm-charts/pull/3166) **Full Changelog**: https://github.com/grafana/helm-charts/compare/loki-distributed-0.79.1...grafana-8.3.4

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