Bump System.Management from 6.0.0 to 7.0.0 in /LibreHardwareMonitor

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] <support@github.com>

LibreHardwareMonitor/LibreHardwareMonitor.csproj

@@ -25,7 +25,7 @@
     <PackageReference Include="TaskScheduler" Version="2.10.1" />
     <PackageReference Include="OxyPlot.Core" Version="2.1.0" />
     <PackageReference Include="OxyPlot.WindowsForms" Version="2.1.0" />
-    <PackageReference Include="System.Management" Version="6.0.0" />
+    <PackageReference Include="System.Management" Version="7.0.0" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="System.Web" />

LibreHardwareMonitorLib/LibreHardwareMonitorLib.csproj

@@ -41,7 +41,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="HidSharp" Version="2.1.0" />
-    <PackageReference Include="System.Management" Version="6.0.0" />
+    <PackageReference Include="System.Management" Version="7.0.0" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Resources\packageicon.png" PackagePath="">