Merge pull request #20420 from dreis2211

* pr/20420:
  Upgrade CI to Docker 19.03.7

Closes gh-20420

Author: snicoll

ci/images/setup.sh

@@ -29,7 +29,7 @@ test -f /opt/openjdk/bin/javac
 ###########################################################
 
 cd /
-curl -L https://download.docker.com/linux/static/stable/x86_64/docker-19.03.5.tgz | tar zx
+curl -L https://download.docker.com/linux/static/stable/x86_64/docker-19.03.7.tgz | tar zx
 mv /docker/* /bin/
 chmod +x /bin/docker*