chore(deps): update jest monorepo to v28

Author: renovate-bot

packages/backend/package.json

@@ -116,10 +116,10 @@
     "eslint-config-airbnb-typescript": "14.0.2",
     "eslint-plugin-import": "2.26.0",
     "eslint-plugin-jest": "24.7.0",
-    "jest": "27.5.1",
+    "jest": "28.1.0",
     "jest-runner-eslint": "0.11.1",
     "supertest": "6.2.3",
-    "ts-jest": "27.1.5",
+    "ts-jest": "28.0.3",
     "ts-loader": "9.3.0",
     "ts-node": "10.7.0",
     "tsconfig-paths": "3.14.1",