chore(helm): update image docker.io/webpsh/webps digest to e4d129c (#33999)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/webpsh/webps | digest | `d7ea620` -> `e4d129c` |

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charts/stable/webp-server/Chart.yaml

@@ -38,4 +38,4 @@ sources:
   - https://github.com/webp-sh/webp_server_go
   - https://hub.docker.com/r/webpsh/webps
 type: application
-version: 7.5.3
+version: 7.5.4

charts/stable/webp-server/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/webpsh/webps
-  tag: latest@sha256:d7ea6200e67bec0b89af59c7bbf2fa3820f2ad6d67b7bded5d438754c70a0c84
+  tag: latest@sha256:e4d129c5cec7751d5b5b6fc19aaf97187b1c72cfeeb141e36c76f474224a0522
 persistence:
   storagecache:
     enabled: true