Update bootstrap bazel to latest release

Change-Id: Id0489e097b059b3cf7f0b8cb724e8b9969772b1d
diff --git a/jenkins/jobs/Bazel-Install.bat.tpl b/jenkins/jobs/Bazel-Install.bat.tpl
index 4e3a3ae..74204b9 100644
--- a/jenkins/jobs/Bazel-Install.bat.tpl
+++ b/jenkins/jobs/Bazel-Install.bat.tpl
@@ -50,6 +50,10 @@
 rmdir /q c:\bazel_ci\installs\latest
 mklink /J c:\bazel_ci\installs\latest %folder%
 
+:: Also update bootstrap Bazel to the latest release
+rmdir /q c:\bazel_ci\installs\bootstrap
+mklink /J c:\bazel_ci\installs\bootstrap %folder%
+
 :: Install Bazel built at HEAD
 md c:\bazel_ci\installs\HEAD
 if "%PLATFORM_NAME:~0,12%" == "windows-msvc" (