Bump Microsoft.Extensions.Configuration.Json from 3.1.7 to 3.1.8

Bumps [Microsoft.Extensions.Configuration.Json](https://github.com/aspnet/Extensions) from 3.1.7 to 3.1.8.
- [Release notes](https://github.com/aspnet/Extensions/releases)
- [Commits](dotnet/extensions@v3.1.7...v3.1.8)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

templates/MyProject.Scheduler/MyProject.Scheduler.csproj

@@ -7,7 +7,7 @@
 		<OutputType>Exe</OutputType>
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.7" />
+		<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.8" />
 		<PackageReference Include="Simplify.Scheduler" Version="1.0.0" />
 	</ItemGroup>
 	<ItemGroup>

templates/MyProject.WindowsService/MyProject.WindowsService.csproj

@@ -6,7 +6,7 @@
 		<OutputType>Exe</OutputType>
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.7" />
+		<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.8" />
 		<PackageReference Include="Simplify.WindowsServices" Version="2.12.0" />
 	</ItemGroup>
 	<ItemGroup>