Update dependency ts-jest to v27.0.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ts-jest (source)	27.0.3 -> 27.0.4

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Release Notes

kulshekhar/ts-jest

v27.0.4

Compare Source

Bug Fixes

• add @types/jest as optional peerDependencies to solve yarn 2 (#​2756) (5fbf43e)
• add babel-jest as optional peerDependencies to solve yarn 2 (#​2751) (8bede2e)
• config: include AST transformer's name and version into cache key (#​2755) (310fb9a), closes #​2753

Features

• link jest config types on npx ts-jest:init (#​2742) (f51ba05)
• set env var TS_JEST to allow detecting of ts-jest (#​2717) (56c137a), closes #​2716

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