chore(deps): update dependency wiremock.net to 1.8.4

Author: renovate[bot]

playground/csharp/Performances/Performances.csproj

@@ -13,7 +13,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="WireMock.Net" Version="1.8.1" />
+      <PackageReference Include="WireMock.Net" Version="1.8.4" />
     </ItemGroup>
 
     <ItemGroup>