chore(deps): update helm chart common to 12.6.4 (#8645)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[common](https://togithub.com/truecharts/apps/tree/master/charts/common)
([source](https://togithub.com/truecharts/library-charts)) | patch |
`12.6.3` -> `12.6.4` |

---

### Release Notes

<details>
<summary>truecharts/library-charts</summary>

###
[`v12.6.4`](https://togithub.com/truecharts/library-charts/releases/tag/common-12.6.4)

[Compare
Source](https://togithub.com/truecharts/library-charts/compare/common-12.6.3...common-12.6.4)

Function library for TrueCharts

</details>

---

### Configuration

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Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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---

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---

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templates/chart/Chart.yaml

@@ -15,7 +15,7 @@ sources:
 dependencies:
 - name: common
   repository: https://library-charts.truecharts.org
-  version: 12.6.3
+  version: 12.6.4
     # condition:
 maintainers:
 - email: info@truecharts.org