chore(helm): update image docker.io/machines/filestash digest to d6c6c2f (#42672)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/machines/filestash | digest | `035f3a4` -> `d6c6c2f` |

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charts/stable/filestash/Chart.yaml

@@ -41,5 +41,5 @@ sources:
   - https://hub.docker.com/r/machines/filestash
   - https://www.filestash.app/
 type: application
-version: 9.13.6
+version: 9.13.7
 

charts/stable/filestash/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/machines/filestash
-  tag: latest@sha256:035f3a4c392ecbfadb03dac5cc55af84e35ec38ccbb140c88d5d9f859d82bba1
+  tag: latest@sha256:d6c6c2fc564b328bac757979ae81019a96f9800d57d5b8a0966c28c70f6aea68
   pullPolicy: IfNotPresent
 
 securityContext: