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

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ts-jest (source)	devDependencies	major	^24.0.2 -> ^25.0.0

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Release Notes

kulshekhar/ts-jest

### [`v25.0.0`](https://togithub.com/kulshekhar/ts-jest/blob/master/CHANGELOG.md#​2500httpsgithubcomkulshekharts-jestcomparev2430v2500-2020-01-23) [Compare Source](https://togithub.com/kulshekhar/ts-jest/compare/v24.3.0...v25.0.0) ##### Features - support Jest 25 ([ffc2cfe](https://togithub.com/kulshekhar/ts-jest/commit/ffc2cfe))

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