Bump Microsoft.Bcl.AsyncInterfaces from 7.0.0 to 8.0.0 (#1281)

Bumps [Microsoft.Bcl.AsyncInterfaces](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.Bcl.AsyncInterfaces
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -12,7 +12,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="DNNE" Version="2.0.6" />
-    <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="7.0.0" />
+    <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis" Version="$(CodeAnalysisVersion)" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Common" Version="$(CodeAnalysisVersion)" />