v3.0.66
- Upgrade testlogger to 3.0.31
- Fix: overwrite test result file if it already exists. See
https://github.com/spekt/nunit.testlogger/issues/76
https://github.com/spekt/xunit.testlogger/blob/master/CHANGELOG.md#v3066---20210310