fix(container): update image ghcr.io/gethomepage/homepage to v0.8.6 (#1224)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

bootstrap/templates/kubernetes/apps/default/homepage/app/helmrelease.yaml.j2

@@ -34,7 +34,7 @@ spec:
           main:
             image:
               repository: ghcr.io/gethomepage/homepage
-              tag: v0.8.4
+              tag: v0.8.6
             env:
               TZ: "${TIMEZONE}"
             envFrom: