Bump Moq from 4.18.4 to 4.20.69 in /src

Bumps [Moq](https://github.com/moq/moq) from 4.18.4 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@v4.18.4...v4.20.69)

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

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

src/ActionsImporter.UnitTests/ActionsImporter.UnitTests.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="JUnitTestLogger" Version="1.1.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.0" />
-    <PackageReference Include="Moq" Version="4.18.4" />
+    <PackageReference Include="Moq" Version="4.20.69" />
     <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="coverlet.collector" Version="6.0.0">