fix(container): update ghcr.io/buroa/plex-beta (1.41.3.9232-434341a9d → 1.41.3.9276-8f15273fb)

fix(container): update ghcr.io/buroa/plex-beta (1.41.3.9232-434341a9d → 1.41.3.9276-8f15273fb) #2073