Update Intel SDE.

Change-Id: Iabbcc9096d2c9eea4ad13aed82fb7b1997c02e24
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/51545
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/.gitignore b/.gitignore
index a8e3184..6cbc9d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,7 +24,7 @@
 util/bot/perl-win32
 util/bot/perl-win32.zip
 util/bot/sde-linux64
-util/bot/sde-linux64.tar.bz2
+util/bot/sde-linux64.tar.xz
 util/bot/sde-win32
-util/bot/sde-win32.tar.bz2
+util/bot/sde-win32.tar.xz
 util/bot/win_toolchain.json