chore(deps): update container image docker to 26.0.1-dind@a2d55c6 by renovate (#20663)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker | digest | `9fc71aa` -> `a2d55c6` |

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This PR has been generated by [Renovate
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charts/stable/docker/Chart.yaml

@@ -32,4 +32,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/docker
   - https://hub.docker.com/_/docker
 type: application
-version: 6.1.6
+version: 6.1.7

charts/stable/docker/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker
   pullPolicy: IfNotPresent
-  tag: 26.0.1-dind@sha256:9fc71aa775289a95979f178fa3b2a8da43b118348cc9065615e83839c2f075bc
+  tag: 26.0.1-dind@sha256:a2d55c6061a342e42db62654b7b7cdf16113828a80b3827cbd9453806c08549c
 hostNetwork: true
 securityContext:
   container: