In a case, that snyk is changing your "resolved" URL's in my Lock file, it means that you are using a private repository for your JS packages, so snyk doesn't know what is the right URL of the hosted packages in your private repository.
In this case, you can set Snyk not relock the lock file in order not to change the resolved links in the lock file.
Then you can fetch the PR locally, relock the lock file and push the changes back to the repo.
Snyk is building interactions with private repositories, please contact email@example.com if you are requesting this feature.
If you are using a SAAS version of artifactory, for Maven projects, please read the next articale:
If you are using private Gems for Ruby or private artifactory, please contact our firstname.lastname@example.org,