Add build target for ubuntu-eoan

Signed-off-by: Arko Dasgupta <arko.dasgupta@docker.com>
(cherry picked from commit d87aaa3)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: cf5f1a7f72d6e113de94edc4af9a660e74d38bca
Component: packaging

Author: Arko Dasgupta

components/packaging/deb/Makefile

@@ -39,7 +39,7 @@ SOURCE_FILES=cli.tgz engine.tgz docker.service docker.socket plugin-installers.t
 SOURCES=$(addprefix sources/, $(SOURCE_FILES))
 
 DEBIAN_VERSIONS := debian-stretch debian-buster
-UBUNTU_VERSIONS := ubuntu-xenial ubuntu-bionic ubuntu-cosmic ubuntu-disco
+UBUNTU_VERSIONS := ubuntu-xenial ubuntu-bionic ubuntu-cosmic ubuntu-disco ubuntu-eoan
 RASPBIAN_VERSIONS := raspbian-stretch raspbian-buster
 DISTROS := $(DEBIAN_VERSIONS) $(UBUNTU_VERSIONS) $(RASPBIAN_VERSIONS)