Bump Microsoft.Extensions.Logging from 7.0.0 to 8.0.0 in /eng/dependabot

Bumps [Microsoft.Extensions.Logging](https://github.com/dotnet/runtime) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.0...v8.0.0)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Logging
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

eng/dependabot/Packages.props

@@ -9,7 +9,7 @@
     <PackageReference Update="Microsoft.Build.Framework" Version="17.8.3" />
     <PackageReference Update="Microsoft.Build.Utilities.Core" Version="17.8.3" />
     <PackageReference Update="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Update="Microsoft.Extensions.Logging" Version="7.0.0" />
+    <PackageReference Update="Microsoft.Extensions.Logging" Version="8.0.0" />
     <PackageReference Update="Microsoft.Extensions.Logging.Console" Version="7.0.0" />
     <PackageReference Update="Microsoft.Extensions.Logging.Abstractions" Version="7.0.1" />
     <PackageReference Update="NuGet.Configuration" Version="6.7.0" />