Update randomtemp on Windows (#35375)

Summary:
Introduce max retry times to the flaky CUDA build command.
Changes: https://github.com/peterjc123/randomtemp/compare/v0.2...v0.3
Targets https://github.com/pytorch/pytorch/issues/25393#issuecomment-603776413.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/35375

Differential Revision: D20653082

Pulled By: ezyang

fbshipit-source-id: a609379af680ac15ad24c9e2e5b330ffba3d1149
diff --git a/.jenkins/pytorch/win-test-helpers/build_pytorch.bat b/.jenkins/pytorch/win-test-helpers/build_pytorch.bat
index 8e479aa..24792eb 100644
--- a/.jenkins/pytorch/win-test-helpers/build_pytorch.bat
+++ b/.jenkins/pytorch/win-test-helpers/build_pytorch.bat
@@ -131,7 +131,7 @@
   :: in PATH, and then pass the arguments to it.
   :: Currently, randomtemp is placed before sccache (%TMP_DIR_WIN%\bin\nvcc)
   :: so we are actually pretending sccache instead of nvcc itself.
-  curl -kL https://github.com/peterjc123/randomtemp/releases/download/v0.2/randomtemp.exe --output %TMP_DIR_WIN%\bin\randomtemp.exe
+  curl -kL https://github.com/peterjc123/randomtemp/releases/download/v0.3/randomtemp.exe --output %TMP_DIR_WIN%\bin\randomtemp.exe
   set RANDOMTEMP_EXECUTABLE=%TMP_DIR_WIN%\bin\nvcc.exe
   set CUDA_NVCC_EXECUTABLE=%TMP_DIR_WIN%\bin\randomtemp.exe
   set RANDOMTEMP_BASEDIR=%TMP_DIR_WIN%\bin