Exit the release job if creating binary package failed (nushell#11145)

Try to exit the job if creating binary package failed, related issue:
nushell/nightly#15

.github/workflows/release-pkg.nu

@@ -160,7 +160,13 @@ if $os in [$USE_UBUNTU, 'macos-latest'] {
  let archive = $'($dist)/($dest).tar.gz'
 
  mkdir $dest
- $files | each {|it| mv $it $dest } | ignore
+ $files | each {|it|
+ if not ($it | path exists) {
+ print $'(ansi r)($it) not exists, abort...(ansi reset)'
+ exit 1
+ }
+ mv $it $dest
+ } | ignore
 
  print $'(char nl)(ansi g)Archive contents:(ansi reset)'; hr-line; ls $dest