chore(helm): update image docker.io/machines/filestash digest to 8f861a4 (#40058)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/machines/filestash | digest | `ca43164` -> `8f861a4` |

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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: 9.6.2
+version: 9.6.3
 

charts/stable/filestash/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/machines/filestash
-  tag: latest@sha256:ca431648169c149ef5b34efbd6546ea4618772b1bf20d9b62bff4d46046fcfe5
+  tag: latest@sha256:8f861a43f90ed23bddec31385a3b759229c693629a63766bdbd9384d645a57df
   pullPolicy: IfNotPresent
 
 securityContext: