Bump ts-jest from 26.5.3 to 26.5.4 in /kafka-ui-react-app (#270)

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 26.5.3 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@v26.5.3...v26.5.4)

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kafka-ui-react-app/package.json

@@ -112,7 +112,7 @@
     "prettier": "^2.2.1",
     "react-scripts": "4.0.2",
     "redux-mock-store": "^1.5.4",
-    "ts-jest": "^26.5.3",
+    "ts-jest": "^26.5.4",
     "ts-node": "^9.1.1",
     "typescript": "^4.2.3"
   },