Bump ReportGenerator from 5.1.1 to 5.1.2 in /xFunc.Tests (#518)

Bumps [ReportGenerator](https://github.com/danielpalme/ReportGenerator) from 5.1.1 to 5.1.2.
- [Release notes](https://github.com/danielpalme/ReportGenerator/releases)
- [Commits](danielpalme/ReportGenerator@v5.1.1...v5.1.2)

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

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

Author: dependabot[bot]

xFunc.Tests/xFunc.Tests.csproj

@@ -53,7 +53,7 @@
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
     <PackageReference Include="Moq" Version="4.17.2" />
-    <PackageReference Include="ReportGenerator" Version="5.1.1" />
+    <PackageReference Include="ReportGenerator" Version="5.1.2" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.analyzers" Version="0.10.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />