Bump Microsoft.Extensions.Configuration.Abstractions from 9.0.6 to 9.0.8

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Configuration.Abstractions
  dependency-version: 9.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

test/Directory.Packages.props

@@ -20,7 +20,7 @@
     <PackageVersion Include="Microsoft.Data.SqlClient" Version="6.0.2" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.6" />
     <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="9.0.6" />
-    <PackageVersion Include="Microsoft.Extensions.Configuration.Abstractions" Version="9.0.6" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.Abstractions" Version="9.0.8" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="9.0.6" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.6" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="9.0.6" />