Bump the nuget-dependencies group with 1 update (#54)

Bumps TUnit from 1.21.6 to 1.23.7

---
updated-dependencies:
- dependency-name: TUnit
  dependency-version: 1.23.7
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-dependencies
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -13,6 +13,6 @@
     <PackageVersion Include="Serilog" Version="4.3.1" />
     <PackageVersion Include="Testcontainers.PostgreSql" Version="4.11.0" />
     <PackageVersion Include="Testcontainers.Redis" Version="4.7.0" />
-    <PackageVersion Include="TUnit" Version="1.21.6" />
+    <PackageVersion Include="TUnit" Version="1.23.7" />
   </ItemGroup>
 </Project>