add dotnet image to docker-compose make dockker-pull-full (#186)

diff --git a/docker-compose/Makefile b/docker-compose/Makefile
index 575761d..aa97d5b 100644
--- a/docker-compose/Makefile
+++ b/docker-compose/Makefile
@@ -127,6 +127,7 @@
 	docker pull $(DOCKER_IMAGE_PREFIX)/action-ruby-v2.5
 	docker pull $(DOCKER_IMAGE_PREFIX)/actionloop-golang-v1.11
 	docker pull $(DOCKER_IMAGE_PREFIX)/dockerskeleton
+	docker pull $(DOCKER_IMAGE_PREFIX)/action-dotnet-v2.2
 
 download-cli:
 	echo "downloading the CLI tool ... "