chore(deps): update dependency ts-jest to v25.1.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ts-jest (source)	devDependencies	minor	25.0.0 -> 25.1.0

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Release Notes

kulshekhar/ts-jest

### [`v25.1.0`](https://togithub.com/kulshekhar/ts-jest/blob/master/CHANGELOG.md#​2510httpsgithubcomkulshekharts-jestcomparev2500v2510-2020-01-30) [Compare Source](https://togithub.com/kulshekhar/ts-jest/compare/v25.0.0...v25.1.0) ##### Bug Fixes - jest 25 type definitions ([ba82a9e](https://togithub.com/kulshekhar/ts-jest/commit/ba82a9e))

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[codecov[bot]]

Codecov Report

Merging #219 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #219   +/-   ##
=======================================
  Coverage   71.76%   71.76%           
=======================================
  Files           3        3           
  Lines          85       85           
  Branches       19       19           
=======================================
  Hits           61       61           
  Misses         24       24

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