bump: goreleaser to latest go 1.25

feat: add new param `-H`

feat: impl. newest chtts

feat(chtts): add copy asset/gpt & drop GPT.pt

feat(chtts): add copy asset/tokenizer & drop spk_stat

feat: add DVAE_full.pt

feat: add chattts download & del unnecessaries

feat: customizable ua (#2)

chore: update deps

feat(dns): optimize parsing