chore(deps-dev): bump ts-jest from 26.5.2 to 26.5.4

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 26.5.2 to 26.5.4.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/master/CHANGELOG.md)
- [Commits](kulshekhar/ts-jest@v26.5.2...v26.5.4)

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

package.json

@@ -64,7 +64,7 @@
     "lint-staged": "10.5.4",
     "prettier": "2.2.1",
     "prisma": "2.19.0",
-    "ts-jest": "26.5.2",
+    "ts-jest": "26.5.4",
     "ts-node": "9.1.1",
     "tslib": "2.1.0",
     "tslint": "6.1.3",