chore(helm): update image docker.io/machines/filestash digest to 841d942 (#28631)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/machines/filestash | digest | `38707b5` -> `841d942` |

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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: 8.2.27
+version: 8.2.28

charts/stable/filestash/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/machines/filestash
-  tag: latest@sha256:38707b5188eb3ff53b90dc02322db1e3c3e23262c20d47f0f5555b7976035cc0
+  tag: latest@sha256:841d942b9f7594c2bdc86226ab382431dee392329cacd264d1fec28750910645
   pullPolicy: IfNotPresent
 
 securityContext: