Merge branch 'L2SS-1450' into 'main'

L2SS-1450: Add multi project integration test job COBALT

Closes L2SS-1450

See merge request lofar2.0/cobalt!40

.gitlab-ci.yml

@@ -146,6 +146,16 @@ unit_test_GPUProc:
     paths:
       - build/gnucxx11_2018_optarch/Testing/Temporary
 
+multi_project_integration_test:
+  stage: test
+  variables:
+    COBALT_VERSION: $CI_COMMIT_SHA
+    TANGO_VERSION: master
+    LOFAR_VERSION: master
+  trigger:
+    project: lofar2.0/multi-project-integration
+    strategy: depend
+
 #
 # DEPLOY TEST STAGE
 #