Merge in 'release/6.0' changes

Author: dotnet-bot

src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props

@@ -124,6 +124,7 @@
     <PlatformManifestFileEntry Include="api-ms-win-core-datetime-l1-1-0.dll" IsNative="true" FallbackFileVersion="$(WindowsForwarderFileVersion)" />
     <PlatformManifestFileEntry Include="api-ms-win-core-debug-l1-1-0.dll" IsNative="true" FallbackFileVersion="$(WindowsForwarderFileVersion)" />
     <PlatformManifestFileEntry Include="api-ms-win-core-errorhandling-l1-1-0.dll" IsNative="true" FallbackFileVersion="$(WindowsForwarderFileVersion)" />
+    <PlatformManifestFileEntry Include="api-ms-win-core-fibers-l1-1-0.dll" IsNative="true" FallbackFileVersion="$(WindowsForwarderFileVersion)" />
     <PlatformManifestFileEntry Include="api-ms-win-core-file-l1-1-0.dll" IsNative="true" FallbackFileVersion="$(WindowsForwarderFileVersion)" />
     <PlatformManifestFileEntry Include="api-ms-win-core-file-l1-2-0.dll" IsNative="true" FallbackFileVersion="$(WindowsForwarderFileVersion)" />
     <PlatformManifestFileEntry Include="api-ms-win-core-file-l2-1-0.dll" IsNative="true" FallbackFileVersion="$(WindowsForwarderFileVersion)" />