chore(deps): update container image ghcr.io/linuxserver/synclounge to 5.2.23@99ec333 (#15229)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/synclounge](https://togithub.com/linuxserver/docker-synclounge/packages)
([source](https://togithub.com/linuxserver/docker-synclounge)) | digest
| `0408512` -> `99ec333` |

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charts/stable/synclounge/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: synclounge
-version: 6.0.20
-appVersion: "5.2.23"
+version: 6.0.21
+appVersion: 5.2.23
 description: Synclounge is a third party tool that allows you to watch Plex in sync with your friends/family, wherever you are.
 type: application
 deprecated: false

charts/stable/synclounge/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/synclounge
   pullPolicy: IfNotPresent
-  tag: 5.2.23@sha256:0408512d43f31ff445f466052c95bbdf517c519e3741111b25edf78a703d82e4
+  tag: 5.2.23@sha256:99ec3336aa09a36369ec73a961e884a7f8de62a34c41fc605c6adaad57031c24
 service:
   main:
     ports: