update fetcher for nu 0.72

fetcher.nu

@@ -43,15 +43,15 @@ def get-lib-path [name: string] {
 export def fetch-lib [
  name: string # lib name
 ] {
- if (not (all-libs | any? ($it == $name))) {
+ if (not (all-libs | any ($it == $name))) {
  error make -u {msg: $"Library `($name)` is not supported, run `all-libs` to check for all available libs"}
  }
  echo $"going to download lib ($name)"
  let url = $"https://formats.kaitai.io/($name)/src/python/($name).py"
  let content = fetch $url
  let target_path = get-lib-path $name
  echo $"download complete, begin to save"
- $content | save $target_path
+ $content | save -f $target_path
  echo "done"
 }