fix(helm): update chart grafana to 7.3.7 (#162)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [grafana](https://grafana.com)
([source](https://togithub.com/grafana/helm-charts)) | patch | `7.3.3`
-> `7.3.7` |

---

### Release Notes

<details>
<summary>grafana/helm-charts (grafana)</summary>

###
[`v7.3.7`](https://togithub.com/grafana/helm-charts/releases/tag/grafana-7.3.7)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/grafana-7.3.6...grafana-7.3.7)

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

#### What's Changed

- \[grafana] Update to version 10.4.0 by
[@&#8203;terop](https://togithub.com/terop) in
[https://github.com/grafana/helm-charts/pull/3010](https://togithub.com/grafana/helm-charts/pull/3010)

**Full Changelog**:
grafana/helm-charts@k8s-monitoring-0.11.2...grafana-7.3.7

###
[`v7.3.6`](https://togithub.com/grafana/helm-charts/releases/tag/grafana-7.3.6)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/grafana-7.3.5...grafana-7.3.6)

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

#### What's Changed

- \[grafana] bump kiwigrid/k8s-sidecar to 1.26.1 by
[@&#8203;kvanzuijlen](https://togithub.com/kvanzuijlen) in
[https://github.com/grafana/helm-charts/pull/3011](https://togithub.com/grafana/helm-charts/pull/3011)

**Full Changelog**:
grafana/helm-charts@grafana-7.3.5...grafana-7.3.6

###
[`v7.3.5`](https://togithub.com/grafana/helm-charts/releases/tag/grafana-7.3.5)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/grafana-7.3.4...grafana-7.3.5)

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

#### What's Changed

- \[grafana] bump kiwigrid/k8s-sidecar version to 1.26.0 by
[@&#8203;kvanzuijlen](https://togithub.com/kvanzuijlen) in
[https://github.com/grafana/helm-charts/pull/2993](https://togithub.com/grafana/helm-charts/pull/2993)

**Full Changelog**:
grafana/helm-charts@grafana-7.3.4...grafana-7.3.5

###
[`v7.3.4`](https://togithub.com/grafana/helm-charts/releases/tag/grafana-7.3.4)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/grafana-7.3.3...grafana-7.3.4)

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

#### What's Changed

- \[grafana] Add `serviceAccount.automountServiceAccountToken` and
document `automountServiceAccountToken` by
[@&#8203;jkroepke](https://togithub.com/jkroepke) in
[https://github.com/grafana/helm-charts/pull/2997](https://togithub.com/grafana/helm-charts/pull/2997)

**Full Changelog**:
grafana/helm-charts@grafana-agent-0.36.0...grafana-7.3.4

</details>

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bootstrap/templates/addons/grafana/app/helmrelease.yaml.j2

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: grafana
-      version: 7.3.3
+      version: 7.3.7
       sourceRef:
         kind: HelmRepository
         name: grafana

kubernetes/apps/monitoring/grafana/app/helmrelease.yaml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: grafana
-      version: 7.3.3
+      version: 7.3.7
       sourceRef:
         kind: HelmRepository
         name: grafana