chore(helm): update image public.ecr.aws/bitnami/wordpress digest to 4404ea7 (#34113)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[public.ecr.aws/bitnami/wordpress](https://redirect.github.com/bitnami/containers)
([source](https://redirect.github.com/bitnami/containers/tree/HEAD/bitnami/wordpress))
| digest | `eead9a4` -> `4404ea7` |

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charts/stable/wordpress/Chart.yaml

@@ -43,4 +43,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/wordpress
   - https://www.wordpress.org
 type: application
-version: 9.15.5
+version: 9.15.6
+

charts/stable/wordpress/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: public.ecr.aws/bitnami/wordpress
   pullPolicy: IfNotPresent
-  tag: 6.7.2@sha256:eead9a4c945e014f01335a858039d679014b3cc987e6d3acaf40fea2302c0ec9
+  tag: 6.7.2@sha256:4404ea707d51259e581b435510ebf8b73db4eda9189823db0ecc1106a475707e
 securityContext:
   container:
     readOnlyRootFilesystem: false