Bump Microsoft.Extensions.Configuration.Json from 3.1.11 to 3.1.12

Bumps [Microsoft.Extensions.Configuration.Json](https://github.com/aspnet/Extensions) from 3.1.11 to 3.1.12.
- [Release notes](https://github.com/aspnet/Extensions/releases)
- [Commits](dotnet/extensions@v3.1.11...v3.1.12)

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

Author: dependabot[bot]

src/Example/Example.csproj

@@ -7,7 +7,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.11" />
+      <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.12" />
       <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.1" />
     </ItemGroup>