Update Helm release grafana to v7.3.11

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
grafana (source)	HelmChart	patch	7.3.10 -> 7.3.11

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Release Notes

grafana/helm-charts (grafana)

v7.3.11

Compare Source

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

What's Changed

• [grafana] add the option to set resources for the test framework container by @​dbluxo in https://github.com/grafana/helm-charts/pull/2979

Full Changelog: grafana/helm-charts@k8s-monitoring-1.0.8...grafana-7.3.11

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