Reset cache on Windows bots.

Bug: None
Change-Id: Id2ae9c6a778174836fb99e070f0b62c1ae7b79ff
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/275480
Reviewed-by: Jeremy Leconte <jleconte@google.com>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38072}
diff --git a/tools_webrtc/get_landmines.py b/tools_webrtc/get_landmines.py
index 1f2aaee..18bc413 100755
--- a/tools_webrtc/get_landmines.py
+++ b/tools_webrtc/get_landmines.py
@@ -48,6 +48,7 @@
     print('Clobber because of libc++ issue - take 3')
     print('Clobber because of libc++ issue - take 4 (crbug.com/1337238)')
     print('Clobber because of libc++ issue - take 5 (crbug.com/1337238)')
+    print('Clobber because of libc++ issue - take 6 (crbug.com/1337238)')
   if host_os() == 'mac':
     print('Clobber due to iOS compile errors (crbug.com/694721)')
     print('Clobber to unblock https://codereview.webrtc.org/2709573003')