chore(deps): update container image josh5/steam-headless to latest@262d66f by renovate (#26361)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| josh5/steam-headless | digest | `db746a7` -> `262d66f` |

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> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

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charts/stable/steam-headless/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/steam-headless
   - https://hub.docker.com/r/josh5/steam-headless
 type: application
-version: 5.1.20
+version: 5.1.21

charts/stable/steam-headless/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: josh5/steam-headless
-  tag: latest@sha256:db746a7383a47d91a03b169b379c028c5f5d0363b47a3ac1c2832cc81fbc40d9
+  tag: latest@sha256:262d66fedb1b262b283544ea0af279836db7572abf9308502d553c9912d50ac5
   pullPolicy: IfNotPresent
 
 securityContext: