fix(jellyfin): use v-prefixed tag to match actual ghcr.io tags

Image tags are v10.11.x not 10.11.x — the version-pattern stripping v
caused the pulled tag to not exist. Drop version-pattern and keep v prefix
in both appVersion and image.tag so hs node can pull the image again.

jellyfin/Chart.yaml

@@ -4,6 +4,5 @@ description: A Helm chart for Jellyfin media server with Postgres support
 type: application
 annotations:
   version-source: ghcr-tags:rogly-net/jellyfin-postgresql:^v[0-9]+\.[0-9]+\.[0-9]+$
-  version-pattern: "s|^v||"
-version: 0.1.20
-appVersion: "10.11.11"
+version: 0.1.21
+appVersion: "v10.11.11"

jellyfin/values.yaml

@@ -8,7 +8,7 @@ image:
   repository: ghcr.io/rogly-net/jellyfin-postgresql
   pullPolicy: IfNotPresent
   # Overrides the image tag whose default is the chart appVersion.
-  tag: "10.11.11"
+  tag: "v10.11.11"
 
 nameOverride: ""
 fullnameOverride: ""