feat(typescript): add babel config types

[clarkdo]

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly. (PR: #)
• I have added tests to cover my changes (if not applicable, please state why)
• All new and existing tests are passing.

[kevinmarrec]

Thanks @clarkdo ! Just a little change and it's good :)

[codecov-io]

Codecov Report

Merging #5666 into dev will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev    #5666   +/-   ##
=======================================
  Coverage   95.67%   95.67%           
=======================================
  Files          81       81           
  Lines        2635     2635           
  Branches      671      671           
=======================================
  Hits         2521     2521           
  Misses         96       96           
  Partials       18       18

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