Bump ts-jest from 26.4.0 to 26.4.1

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 26.4.0 to 26.4.1.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/master/CHANGELOG.md)
- [Commits](kulshekhar/ts-jest@v26.4.0...v26.4.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

yarn.lock

@@ -5721,9 +5721,9 @@ trim-right@^1.0.1:
     glob "^7.1.2"
 
 ts-jest@^26.1.2:
-  version "26.4.0"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.4.0.tgz#903c7827f3d3bc33efc2f91be294b164400c32e3"
-  integrity sha512-ofBzoCqf6Nv/PoWb/ByV3VNKy2KJSikamOBxvR3E6eVdIw10GwAXoyvMWXXjZJK2s6S27ZE8fI+JBTnGaovl6Q==
+  version "26.4.1"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.4.1.tgz#08ec0d3fc2c3a39e4a46eae5610b69fafa6babd0"
+  integrity sha512-F4aFq01aS6mnAAa0DljNmKr/Kk9y4HVZ1m6/rtJ0ED56cuxINGq3Q9eVAh+z5vcYKe5qnTMvv90vE8vUMFxomg==
   dependencies:
     "@types/jest" "26.x"
     bs-logger "0.x"