chore(deps): update dependency microsoft.bcl.asyncinterfaces to 9.0.12

Author: renovate[bot]

src/Directory.Build.props

@@ -58,7 +58,7 @@
     <PackageReference Include="Nerdbank.GitVersioning" Version="3.9.50" PrivateAssets="all" />	
   </ItemGroup>
   <ItemGroup Condition="$(TargetFramework) == 'netstandard2.0'">
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.10" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.12" />
   </ItemGroup>
   <ItemGroup Condition="!$(IsTestProject) AND !$(IsBenchmarkProject)">
     <PackageReference Include="stylecop.analyzers" Version="1.2.0-beta.556" PrivateAssets="all" />