chore(helm): update image ghcr.io/linuxserver/firefox digest to c8a314b (#39066)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/firefox](https://redirect.github.com/linuxserver/docker-firefox/packages)
([source](https://redirect.github.com/linuxserver/docker-firefox)) |
digest | `c5df95a` -> `c8a314b` |

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charts/stable/firefox/Chart.yaml

@@ -36,5 +36,5 @@ sources:
   - https://github.com/linuxserver/docker-firefox
   - https://github.com/truecharts/charts/tree/master/charts/stable/firefox
 type: application
-version: 29.0.2
+version: 29.0.3
 

charts/stable/firefox/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/firefox
   pullPolicy: IfNotPresent
-  tag: 1142.0.1@sha256:c5df95a077974c247f51cc40cc4c8c66647d9a796fa14f7b6971ff89059f6675
+  tag: 1142.0.1@sha256:c8a314bb854e052db5669cd90d455dff9bef83b000bde010e9ebac27c3b7569b
 securityContext:
   container:
     readOnlyRootFilesystem: false