chore(deps): update container image ghcr.io/linuxserver/freshrss to 1.22.1@728d60a (#15386)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/freshrss](https://togithub.com/linuxserver/docker-freshrss/packages)
([source](https://togithub.com/linuxserver/docker-freshrss)) | digest |
`e2794f5` -> `728d60a` |

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charts/stable/freshrss/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/freshrss
   pullPolicy: IfNotPresent
-  tag: 1.22.1@sha256:e2794f5835c0d98a256615477b63d15a51612671c31ff411d3ab2438caf59ce2
+  tag: 1.22.1@sha256:728d60ac13146e27320ce2a09c8876e6b71db62b104c330a909b0da404037dee
 securityContext:
   container:
     readOnlyRootFilesystem: false