chore(deps): update container image machines/filestash to latest@76b0528 by renovate (#27567)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| machines/filestash | digest | `6c71e8a` -> `76b0528` |

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4xMTcuMSIsInVwZGF0ZWRJblZlciI6IjM4LjExNy4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/filestash/Chart.yaml

@@ -36,4 +36,4 @@ sources:
   - https://hub.docker.com/r/machines/filestash
   - https://www.filestash.app/
 type: application
-version: 8.2.7
+version: 8.2.8

charts/stable/filestash/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: machines/filestash
-  tag: latest@sha256:6c71e8a15dbdae28ce198a520394922d0bc490e4f717edc6ceb727c6366ba9f2
+  tag: latest@sha256:76b0528625e3501147edf9e3f5f44143b07fd36c431a695d433c454cf95c46dd
   pullPolicy: IfNotPresent
 
 securityContext: