Bump ReportGenerator from 5.3.7 to 5.3.8 (#856)

Author: dependabot[bot]

Directory.Packages.props

@@ -14,7 +14,7 @@
     <PackageVersion Include="NSubstitute" Version="5.1.0" />
     <PackageVersion Include="Polly.Core" Version="8.4.1" />
     <PackageVersion Include="Refit" Version="7.0.0" />
-    <PackageVersion Include="ReportGenerator" Version="5.3.7" />
+    <PackageVersion Include="ReportGenerator" Version="5.3.8" />
     <PackageVersion Include="Shouldly" Version="4.2.1" />
     <PackageVersion Include="StyleCop.Analyzers" Version="1.2.0-beta.556" />
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />