nuget-dressca: bump Moq in /samples/Dressca/dressca-backend (#507)

Bumps [Moq](https://github.com/moq/moq) from 4.20.1 to 4.20.69.
- [Release notes](https://github.com/moq/moq/releases)
- [Changelog](https://github.com/moq/moq/blob/main/CHANGELOG.md)
- [Commits](moq/moq.spikes@v4.20.1...v4.20.69)

---
updated-dependencies:
- dependency-name: Moq
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

samples/Dressca/dressca-backend/Directory.Packages.props

@@ -10,7 +10,7 @@
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="6.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.4" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.7.0" />
-    <PackageVersion Include="Moq" Version="4.20.1" />
+    <PackageVersion Include="Moq" Version="4.20.69" />
     <PackageVersion Include="NSwag.AspNetCore" Version="13.19.0" />
     <PackageVersion Include="NSwag.MSBuild" Version="13.19.0" />
     <PackageVersion Include="StyleCop.Analyzers" Version="1.2.0-beta.507" />