chore(helm): update image docker.io/thelounge/thelounge digest to bb6c476 (#33998)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/thelounge/thelounge](https://redirect.github.com/thelounge/thelounge-docker)
| digest | `0f8b2e4` -> `bb6c476` |

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charts/stable/thelounge/Chart.yaml

@@ -36,4 +36,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/thelounge
   - https://hub.docker.com/r/thelounge/thelounge
 type: application
-version: 15.5.11
+version: 15.5.12

charts/stable/thelounge/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker.io/thelounge/thelounge
   pullPolicy: IfNotPresent
-  tag: 4.4.3@sha256:0f8b2e47f9441d59445603fef8a4206ad1c04e522024d0472ae5da5810ebb699
+  tag: 4.4.3@sha256:bb6c476928a20de38fec177178a61e0ad9ca6bbc17ab6b28bf4a57c6eb3b964f
 service:
   main:
     ports: