ci: switch to docker compose from docker-compose

Author: rjhenry

Diff for: Makefile

@@ -31,7 +31,7 @@ push-release:
 
 
 e2e:
-	@BOOKSTACK_IMAGE="$(DOCKER_RELEASE_REG)/${DOCKER_IMAGE_DEV}:${DOCKER_INTERNAL_TAG}" docker-compose -f docker-compose.test.yml up -d
-	@BOOKSTACK_IMAGE="$(DOCKER_RELEASE_REG)/${DOCKER_IMAGE_DEV}:${DOCKER_INTERNAL_TAG}" docker-compose -f docker-compose.test.yml run --rm sut
-	@BOOKSTACK_IMAGE="$(DOCKER_RELEASE_REG)/${DOCKER_IMAGE_DEV}:${DOCKER_INTERNAL_TAG}" docker-compose -f docker-compose.test.yml down -v
+	@BOOKSTACK_IMAGE="$(DOCKER_RELEASE_REG)/${DOCKER_IMAGE_DEV}:${DOCKER_INTERNAL_TAG}" docker compose -f docker-compose.test.yml up -d
+	@BOOKSTACK_IMAGE="$(DOCKER_RELEASE_REG)/${DOCKER_IMAGE_DEV}:${DOCKER_INTERNAL_TAG}" docker compose -f docker-compose.test.yml run --rm sut
+	@BOOKSTACK_IMAGE="$(DOCKER_RELEASE_REG)/${DOCKER_IMAGE_DEV}:${DOCKER_INTERNAL_TAG}" docker compose -f docker-compose.test.yml down -v
 

Diff for: README.md

@@ -33,7 +33,7 @@ In 0.12.2 we removed `DB_PORT` . You can now specify the port via `DB_HOST` like
 With Docker Compose is a Quickstart very easy. Run the following command:
 
 ```bash
-docker-compose up
+docker compose up
 ```
 
 and after that open your Browser and go to