Interceptors now gets the StackTrace in the DioError objects

[lohnn]

New Pull Request Checklist

• [x] I have read the Documentation
• [x] I have searched for a similar pull request in the project and found none
• [x] I have updated this branch with the latest develop to avoid conflicts (via merge from master or rebase)
• [x] I have added the required tests to prove the fix/feature I am adding
• [x] I have updated the documentation (if necessary)
• [x] I have run the tests and they pass

This merge request fixes / refers to the following issues: #1173

Pull Request Description

The StackTrace will be the same one as you get when surrounding the request with try-catch

[ueman]

Related to #1405. Both seem to have a similar goal

[spydon]

Any news on when this will be merged?