chore(helm): update image ghcr.io/linuxserver/fleet digest to 763c504 (#34358)

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 | `ab4c474` -> `763c504` |

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to pin your dependencies.

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charts/stable/fleet/Chart.yaml

@@ -41,5 +41,5 @@ sources:
   - https://ghcr.io/linuxserver/fleet
   - https://github.com/truecharts/charts/tree/master/charts/stable/fleet
 type: application
-version: 14.13.3
+version: 14.13.4
 

charts/stable/fleet/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/fleet
   pullPolicy: IfNotPresent
-  tag: 2.3.3@sha256:ab4c47494c0550d06bf50d6b07561b085260fee7187d1d8daa4b823e358bf014
+  tag: 2.3.3@sha256:763c504b38b9be934875913f212d9a65bcaac8485dee6640f49d8299196a0569
 securityContext:
   container:
     runAsNonRoot: false