build(deps): bump Microsoft.Extensions.DependencyInjection

Bumps [Microsoft.Extensions.DependencyInjection](https://github.com/aspnet/Extensions) from 3.1.6 to 3.1.7.
- [Release notes](https://github.com/aspnet/Extensions/releases)
- [Commits](dotnet/extensions@v3.1.6...v3.1.7)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

src/Splat.Microsoft.Extensions.DependencyInjection/Splat.Microsoft.Extensions.DependencyInjection.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.6" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.7" />
   </ItemGroup>
 
   <ItemGroup>