fix(helm): update chart grafana to 7.0.6

[renovate]

This PR contains the following updates:

Package	Update	Change
grafana (source)	patch	7.0.3 -> 7.0.6

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Release Notes

grafana/helm-charts (grafana)

v7.0.6

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The leading tool for querying and visualizing time series and metrics.

What's Changed

• [grafana] sc datasources only as init container w/ init container config by @​bt909 in https://github.com/grafana/helm-charts/pull/2760

Full Changelog: grafana/helm-charts@grafana-7.0.5...grafana-7.0.6

v7.0.5

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The leading tool for querying and visualizing time series and metrics.

What's Changed

• [grafana] Fixed broken URL to ALB actions in the README by @​Mattie112 in https://github.com/grafana/helm-charts/pull/2773

New Contributors

• @​Mattie112 made their first contribution in https://github.com/grafana/helm-charts/pull/2773

Full Changelog: grafana/helm-charts@rollout-operator-0.10.0...grafana-7.0.5

v7.0.4

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The leading tool for querying and visualizing time series and metrics.

What's Changed

• [grafana] allow alerts sidecar as init container by @​bt909 in https://github.com/grafana/helm-charts/pull/2771

Full Changelog: grafana/helm-charts@helm-k6-operator-3.0.0...grafana-7.0.4

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