build(deps-dev): bump ts-jest from 29.4.5 to 29.4.6 in /backend

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 29.4.5 to 29.4.6.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/kulshekhar/ts-jest/compare/v29.4.5...v29.4.6)

---
updated-dependencies:
- dependency-name: ts-jest
  dependency-version: 29.4.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

backend/package.json

@@ -122,7 +122,7 @@
     "prettier": "^3.6.2",
     "require-json5": "^1.3.0",
     "rosie": "^2.1.1",
-    "ts-jest": "^29.4.5",
+    "ts-jest": "^29.4.6",
     "ts-node": "^10.9.2",
     "tsc-alias": "^1.8.16",
     "tsconfig-paths": "^4.2.0",

backend/yarn.lock

@@ -11032,10 +11032,10 @@ ts-invariant@^0.4.0:
   dependencies:
     tslib "^1.9.3"
 
-ts-jest@^29.4.5:
-  version "29.4.5"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-29.4.5.tgz#a6b0dc401e521515d5342234be87f1ca96390a6f"
-  integrity sha512-HO3GyiWn2qvTQA4kTgjDcXiMwYQt68a1Y8+JuLRVpdIzm+UOLSHgl/XqR4c6nzJkq5rOkjc02O2I7P7l/Yof0Q==
+ts-jest@^29.4.6:
+  version "29.4.6"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-29.4.6.tgz#51cb7c133f227396818b71297ad7409bb77106e9"
+  integrity sha512-fSpWtOO/1AjSNQguk43hb/JCo16oJDnMJf3CdEGNkqsEX3t0KX96xvyX1D7PfLCpVoKu4MfVrqUkFyblYoY4lA==
   dependencies:
     bs-logger "^0.2.6"
     fast-json-stable-stringify "^2.1.0"