Patch release v5.13.1

# Patch release v5.13.1 This patch is focused on enabling `transformers` for the latest release of vllm! - Be more defensive with remap_legacy_layer_types for custom models (#47245) from @hmellor - Fix custom code which doesn't know about the new linear layer type names (#47174) from @hmellor - Fix case where _LazyAutoMapping.register is passed a str key (#47148) from @hmellor