chore(helm): update image ghcr.io/linuxserver/fleet digest to 21b65a3 (#32069)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/fleet](https://redirect.github.com/linuxserver/docker-fleet/packages)
([source](https://redirect.github.com/linuxserver/docker-fleet)) |
digest | `db1c00b` -> `21b65a3` |

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charts/stable/fleet/Chart.yaml

@@ -38,4 +38,4 @@ sources:
   - https://ghcr.io/linuxserver/fleet
   - https://github.com/truecharts/charts/tree/master/charts/stable/fleet
 type: application
-version: 14.12.4
+version: 14.12.5

charts/stable/fleet/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/fleet
   pullPolicy: IfNotPresent
-  tag: 2.3.3@sha256:db1c00bb31e13fcac9508b1760a770e4486b35c7ca2ed380ca8774b2a17f4627
+  tag: 2.3.3@sha256:21b65a3762ffe0995e616616a79943922f22d0f89d07c6df12e598ff50614014
 securityContext:
   container:
     runAsNonRoot: false