Bump System.Configuration.ConfigurationManager from 10.0.6 to 10.0.8

---
updated-dependencies:
- dependency-name: System.Configuration.ConfigurationManager
  dependency-version: 10.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

LegacyAppRefactor/LegacyApp/LegacyApp.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Data.SqlClient" Version="6.1.4" />
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.6" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.8" />
     <PackageReference Include="System.ServiceModel.Primitives" Version="10.0.652802" />
   </ItemGroup>