chore(helm): update chart common 28.20.1 → 28.21.0 (#40136)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [common](https://truecharts.org/charts/library/common)
([source](https://ghcr.io/cloudnative-pg/postgis)) | minor | `28.20.1`
-> `28.21.0` |

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> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

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charts/stable/gaseous-server/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v2
 appVersion: 1.7.14
 dependencies:
   - name: common
-    version: 28.20.1
+    version: 28.21.0
     repository: oci://oci.trueforge.org/truecharts
     condition: ""
     alias: ""
@@ -46,5 +46,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/gaseous-server
   - https://hub.docker.com/r/gaseousgames/gaseousserver
 type: application
-version: 5.4.3
+version: 5.5.0