Rename google-cloud-sdk to google-cloud-cli (#2863)

Follow-up on
https://github.com/bazelbuild/continuous-integration/pull/2847

buildkite/setup-docker.sh

diff --git a/buildkite/setup-docker.sh b/buildkite/setup-docker.sh
index 96af37b..2d8acf0 100755
--- a/buildkite/setup-docker.sh
+++ b/buildkite/setup-docker.sh
@@ -157,7 +157,7 @@
   curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | \
       apt-key --keyring /usr/share/keyrings/cloud.google.gpg add -
   apt-get -y update
-  apt-get -y install google-cloud-sdk
+  apt-get -y install google-cloud-cli
 }
 
 ### Preseed our Git mirrors.