chore(minecraft-gate): update image ghcr.io/minekube/gate digest to cb4b26d (#43437)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/minekube/gate | digest | `5d6c998` -> `cb4b26d` |

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charts/stable/minecraft-gate/Chart.yaml

@@ -39,5 +39,5 @@ sources:
   - https://github.com/minekube/gate
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/minecraft-gate
 type: application
-version: 2.13.6
+version: 2.13.7
 

charts/stable/minecraft-gate/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/minekube/gate
   pullPolicy: IfNotPresent
-  tag: latest@sha256:5d6c998fecdb7f57ab2fef001bf8293f6fae656d7b380bf17cebe113d40c0c9c
+  tag: latest@sha256:cb4b26d46953a2ab92217ddc563ef853f32111ef8a3c11ec52a548cc1568422b
 service:
   main:
     enabled: true