Bump Microsoft.AspNetCore.Identity (#2800)

Bumps [Microsoft.AspNetCore.Identity](https://github.com/dotnet/aspnetcore) from 2.1.2 to 2.1.39.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](https://github.com/dotnet/aspnetcore/commits)

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.Identity
  dependency-type: direct:production
...

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

NETCORE/test/FunctionalTests.MVC.Tests/FunctionalTests.MVC.Tests.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <Import Project="$(PropsRoot)\Test.props" />
 
 
@@ -41,7 +41,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Authentication.Cookies" Version="2.1.1" />
     <PackageReference Include="Microsoft.AspNetCore.Diagnostics" Version="2.1.1" />
     <PackageReference Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="2.1.1" />
-    <PackageReference Include="Microsoft.AspNetCore.Identity" Version="2.1.2" />
+    <PackageReference Include="Microsoft.AspNetCore.Identity" Version="2.1.39" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="2.1.1" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.1.1" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.TagHelpers" Version="2.2.0" />