[3935] Retry on unsuccessful code too

[rmannibucau]

Before filing a pull request, make sure to do the following:

• [X] Create a new issue at https://github.com/GoogleContainerTools/jib/issues/new/choose.
• [ ] Ensure that your implementation plan is approved by the team.
• [X] Verify that integration tests and unit tests are passing after the change.
• [X] Address all checkstyle issues. Refer to the style guide.

This helps to reduce the chance of having a pull request rejected.