chore(helm): update image docker.io/machines/filestash digest to e4c0c05 (#35834)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/machines/filestash | digest | `ef88115` -> `e4c0c05` |

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charts/stable/filestash/Chart.yaml

@@ -39,5 +39,5 @@ sources:
   - https://hub.docker.com/r/machines/filestash
   - https://www.filestash.app/
 type: application
-version: 8.5.49
+version: 8.5.50
 

charts/stable/filestash/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/machines/filestash
-  tag: latest@sha256:ef88115d5f9d69333e3934aae49409503241673924be084cc8e50238779fa686
+  tag: latest@sha256:e4c0c0537fa3bd08e988347bb563793779bb57bb0137c73d1af52b25d2e22dee
   pullPolicy: IfNotPresent
 
 securityContext: