Angular - Fixing the publish script to make the build phase run parallel

[sumeyyeKurtulus]

Description

Resolves https://github.com/volosoft/volo/issues/20853

Checklist

• I fully tested it as developer / designer and created unit / integration tests
• I documented it (or no need to document or I will create a separate documentation issue)

How to test it?

• You can run the publish script on the server to see whether it works.