chore(deps): update helm release grafana to v8.4.6

[p6r-renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
grafana (source)	HelmChart	patch	8.4.5 -> 8.4.6

---

Release Notes

grafana/helm-charts (grafana)

### [`v8.4.6`](https://togithub.com/grafana/helm-charts/releases/tag/grafana-8.4.6) [Compare Source](https://togithub.com/grafana/helm-charts/compare/grafana-8.4.5...grafana-8.4.6) The leading tool for querying and visualizing time series and metrics. #### What's Changed - \[grafana] Typo in readme docs by [@​paulburlumi](https://togithub.com/paulburlumi) in [https://github.com/grafana/helm-charts/pull/3277](https://togithub.com/grafana/helm-charts/pull/3277) #### New Contributors - [@​paulburlumi](https://togithub.com/paulburlumi) made their first contribution in [https://github.com/grafana/helm-charts/pull/3277](https://togithub.com/grafana/helm-charts/pull/3277) **Full Changelog**: https://github.com/grafana/helm-charts/compare/tempo-distributed-1.17.0...grafana-8.4.6

---

Configuration

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

🚦 Automerge: Enabled.

♻ 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 has been generated by Renovate Bot.