Enable experimental features in docker in postsubmit jobs.

MartinForReal · web-flow · commit d573b5d00f21 · 2023-06-26T13:50:30.000+08:00
diff --git a/cloudbuild.yaml b/cloudbuild.yaml
@@ -9,6 +9,7 @@ steps:
     - PROW_GIT_TAG=$_GIT_TAG
     - PULL_BASE_REF=$_PULL_BASE_REF
     - VERSION=$_PULL_BASE_REF
+    - DOCKER_CLI_EXPERIMENTAL=enabled
     args:
     - -c
     - |
