Update .mailmap for proper generation of dt AUTHORS file.

[TurboGit]

To avoid having to manually edit the AUTHORS file in dt.

[codecov]

Codecov Report

Merging #342 (2c0f7a7) into develop (28897d8) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #342   +/-   ##
========================================
  Coverage    60.47%   60.47%           
========================================
  Files          207      207           
  Lines        12628    12628           
  Branches      1761     1761           
========================================
  Hits          7637     7637           
  Misses        4859     4859           
  Partials       132      132           

Flag	Coverage Δ
integration	47.94% <ø> (ø)
rpu_u	47.94% <ø> (ø)
unittests	22.57% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 28897d8...2c0f7a7. Read the comment docs.