build(deps-dev): bump @nestjs/testing from 10.3.7 to 10.3.8

Bumps [@nestjs/testing](https://github.com/nestjs/nest/tree/HEAD/packages/testing) from 10.3.7 to 10.3.8.
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/commits/v10.3.8/packages/testing)

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

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

yarn.lock

@@ -1162,9 +1162,9 @@
     pluralize "8.0.0"
 
 "@nestjs/testing@>=10.2.4":
-  version "10.3.7"
-  resolved "https://registry.yarnpkg.com/@nestjs/testing/-/testing-10.3.7.tgz#b39fbaf011c439a397d42bc16a13bc5191d0a961"
-  integrity sha512-PmwZXyoCC/m3F3IFgpgD+SNN6cDPQa/vi3YQxFruvfX3cuHq+P6ZFvBB7hwaKKsLlhA0so42LsMm41oFBkdouw==
+  version "10.3.8"
+  resolved "https://registry.yarnpkg.com/@nestjs/testing/-/testing-10.3.8.tgz#44df73ede43c47801400d59a8ebd6ab1fe7df34c"
+  integrity sha512-hpX9das2TdFTKQ4/2ojhjI6YgXtCfXRKui3A4Qaj54VVzc5+mtK502Jj18Vzji98o9MVS6skmYu+S/UvW3U6Fw==
   dependencies:
     tslib "2.6.2"