chore(helm): update image docker.io/machines/filestash digest to 3355b98 (#31619)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/machines/filestash | digest | `ebcd431` -> `3355b98` |

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charts/stable/filestash/Chart.yaml

@@ -36,4 +36,4 @@ sources:
   - https://hub.docker.com/r/machines/filestash
   - https://www.filestash.app/
 type: application
-version: 8.5.6
+version: 8.5.7

charts/stable/filestash/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/machines/filestash
-  tag: latest@sha256:ebcd4316b8d42f681adede85ed5ec839f080d770fb696786e93ea177b47a3b42
+  tag: latest@sha256:3355b98c9b2f6313674f75c85937e0cced45c3359c96e84732638d026189f29f
   pullPolicy: IfNotPresent
 
 securityContext: