Move check to Makefile

This makes it simpler to run it locally

.gitlab-ci.yml

@@ -5,7 +5,7 @@ job:
     - echo "man-db man-db/auto-update boolean false" | debconf-set-selections
     - export DEBIAN_FRONTEND=noninteractive
     - apt-get -y update
-    - apt-get -y install python3-yaml
+    - apt-get -y install python3-yaml make
   script:
-    - python3 -c 'import yaml; import pprint; c = yaml.load(open("librem5-pipeline-definitions.yml")); pprint.pprint(c)'
+    - make check
 

Makefile

+check:
+	python3 -c 'import yaml; import pprint; c = yaml.load(open("librem5-pipeline-definitions.yml")); pprint.pprint(c)'