chore(deps): update container image ghcr.io/linuxserver/foldingathome to 7.6.21@3c4b1b5 (#15192)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/foldingathome](https://togithub.com/linuxserver/docker-foldingathome/packages)
([source](https://togithub.com/linuxserver/docker-foldingathome)) |
digest | `5706dc3` -> `3c4b1b5` |

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charts/stable/foldingathome/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: foldingathome
-version: 6.0.16
-appVersion: "7.6.21"
+version: 6.0.17
+appVersion: 7.6.21
 description: Folding@home is a distributed computing project for simulating protein dynamics, including the process of protein folding and the movements of proteins implicated in a variety of diseases.
 type: application
 deprecated: false

charts/stable/foldingathome/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/foldingathome
   pullPolicy: IfNotPresent
-  tag: 7.6.21@sha256:5706dc3c7cd28bf7211b33f614bacd113391ccda78c769fb5443519600fa2760
+  tag: 7.6.21@sha256:3c4b1b578a93e4028ee43ff12582b69b94fabfe601615890274fa9849b470189
 securityContext:
   container:
     runAsNonRoot: false