chore(wordpress): update image docker.io/bitnamisecure/wordpress digest to 4afe239 (#48839)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/bitnamisecure/wordpress | digest | `0a93698` → `4afe239` |

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charts/stable/wordpress/Chart.yaml

@@ -43,5 +43,5 @@ sources:
   - https://hub.docker.com/r/bitnamisecure/wordpress
   - https://www.wordpress.org
 type: application
-version: 13.6.7
+version: 13.6.8
 

charts/stable/wordpress/values.yaml

@@ -2,7 +2,7 @@
 image:
   repository: docker.io/bitnamisecure/wordpress
   pullPolicy: IfNotPresent
-  tag: latest@sha256:0a936980db621c521e6eafa4bc7e4fdc7cd312858789aa590d19eeae8748dbf9
+  tag: latest@sha256:4afe2398a1478c69290b3b45922443fab2b71dc58fc43ce263e266c523227b24
 securityContext:
   container:
     readOnlyRootFilesystem: false