Change space between seqs within the same bin about gggenomes HOT 5 CLOSED

library(gggenomes)
s0 <- tibble(
  bin_id = c("A", "A", "B"),
  seq_id = c("a1","a2","b1"),
  length = c(2e5, 3e5, 5e5)
)

p1 <- gggenomes(seqs=s0) +
  geom_seq() +         # draw contig/chromosome lines
  geom_seq_label() +   # label each sequence 
  geom_bin_label()  # label each bin


p2 <- gggenomes(seqs=s0, spacing=0.3) +
  geom_seq() +         # draw contig/chromosome lines
  geom_seq_label() +   # label each sequence 
  geom_bin_label()  # label each bin

library(patchwork)
p1 + p2