Upgrade base image to m91

rosbo · rosbo · commit ceffd55e459f · 2022-03-28T20:43:00.000Z
http://b/227193319
diff --git a/config.txt b/config.txt
@@ -1,5 +1,5 @@
 BASE_IMAGE_REPO=gcr.io/deeplearning-platform-release
-BASE_IMAGE_TAG=m88
+BASE_IMAGE_TAG=m91
 CPU_BASE_IMAGE_NAME=tf2-cpu.2-6
 GPU_BASE_IMAGE_NAME=tf2-gpu.2-6
 LIGHTGBM_VERSION=3.3.1
