support subdirectory config for go-get since go 1.25#35285

a1012112796 wants to merge 6 commits intogo-gitea:maingo-gitea/gitea:mainfrom

a1012112796:zzc/dev/go_module_subdir_cfga1012112796/gitea:zzc/dev/go_module_subdir_cfgCopy head branch name to clipboard