Bump System.Management from 6.0.0 to 7.0.0 in /src

Bumps [System.Management](https://github.com/dotnet/runtime) from 6.0.0 to 7.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits)

---
updated-dependencies:
- dependency-name: System.Management
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/WPFLocalizeExtension.csproj

@@ -72,7 +72,7 @@
 
 	<!--References for .Net Core 3.x-->
 	<ItemGroup Condition="$(TargetFramework.StartsWith('netcore'))">
-		<PackageReference Include="System.Management" Version="6.0.0" />
+		<PackageReference Include="System.Management" Version="7.0.0" />
 		<PackageReference Include="System.Drawing.Common" Version="7.0.0" />
 	</ItemGroup>