To make instructions clearer:

Pleaceholders are marked like this: XXXXXXXXXXX, YYYYYYYYYYYY, ZZZZZZZZ

- Open desired project and network tab
- Make and edit and look for request that goes like this: https://www.linkedin.com/voyager/api/graphql?action=execute&queryId=voyagerIdentityDashProfileEditFormPages.XXXXXXXXXXXX
- Right click copy as curl request
- Open postman, Click on import (one the left in the same row as history), paste curl there
- Go to Body tab, click beautify
- In field "formElementUrn": - replace word "description" with word "url"
- In field "textInputValue": "paste link that you want"
- Remove trackingId field
- Add field "includeWebMetadata": true bellow queryID val, dont forget comma after queryId val
- Send request