Bump @nestjs/testing from 10.2.5 to 10.4.15

Bumps [@nestjs/testing](https://github.com/nestjs/nest/tree/HEAD/packages/testing) from 10.2.5 to 10.4.15.
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/commits/v10.4.15/packages/testing)

---
updated-dependencies:
- dependency-name: "@nestjs/testing"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -66,7 +66,7 @@
     "@darraghor/eslint-plugin-nestjs-typed": "^4.0.16",
     "@nestjs/cli": "^10.1.17",
     "@nestjs/schematics": "^10.1.2",
-    "@nestjs/testing": "^10.2.5",
+    "@nestjs/testing": "^10.4.15",
     "@types/bcryptjs": "^2.4.4",
     "@types/cache-manager": "^3.4.3",
     "@types/express": "^4.17.17",