[main] Update dependencies from dotnet/emsdk

[dotnet-maestro]

This pull request updates the following dependencies

From https://github.com/dotnet/emsdk

• Subscription: c22d5069-447c-4252-29fd-08d90a7bb4bc
• Build: 20210815.1
• Date Produced: 8/15/2021 6:33 PM
• Commit: e33d37f3ca283571a7e142c766596e08f19a5bf4
• Branch: refs/heads/main

• Updates:
  • Microsoft.NET.Workload.Emscripten.Manifest-6.0.100: from 6.0.0-rc.1.21409.2 to 6.0.0-rc.1.21415.1

[dotnet-issue-labeler]

I couldn't figure out the best area label to add to this PR. If you have write-permissions please help me learn by adding exactly one area label.

[lewing]

failure in runtime (Libraries Test Run checked coreclr windows x86 Release) is

C:\h\w\A6DF08B3\w\AFC10968\e>"C:\h\w\A6DF08B3\p\dotnet.exe" exec --runtimeconfig System.Diagnostics.Process.Tests.runtimeconfig.json --depsfile System.Diagnostics.Process.Tests.deps.json xunit.console.dll System.Diagnostics.Process.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing  
  Discovering: System.Diagnostics.Process.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  System.Diagnostics.Process.Tests (found 254 of 278 test cases)
  Starting:    System.Diagnostics.Process.Tests (parallel test collections = on, max threads = 4)
    System.Diagnostics.Tests.ProcessModuleTests.LongModuleFileNamesAreSupported [FAIL]
      Assert.Contains() Failure
      Not found: C:\h\w\A6DF08B3\t\ProcessModuleTests_5xjses3t.141\aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\LongPath.dll
      In value:  String[] ["C:\\h\\w\\A6DF08B3\\p\\dotnet.exe", "C:\\Windows\\SYSTEM32\\ntdll.dll", "C:\\Windows\\System32\\KERNEL32.DLL", "C:\\Windows\\System32\\KERNELBASE.dll", "C:\\Windows\\System32\\ucrtbase.dll", ...]
      Stack Trace:
        /_/src/libraries/System.Diagnostics.Process/tests/ProcessModuleTests.cs(127,0): at System.Diagnostics.Tests.ProcessModuleTests.LongModuleFileNamesAreSupported()
    System.Diagnostics.Tests.ProcessStartInfoTests.ShellExecute_Nano_Fails_Start [SKIP]
      Condition(s) not met: "IsWindowsNanoServer"
Invalid number of parameters
0 File(s) copied
  Finished:    System.Diagnostics.Process.Tests
=== TEST EXECUTION SUMMARY ===

which has nothing to do with the change. opened #57452