Add possibility to skip MR pipeline build via label

ci-test-manifest-integration.yml

@@ -124,6 +124,9 @@ merge:
 build:
   stage: build
   rules:
+    # Do not run build if the "skip build" label is set on the merge request
+    - if: $CI_MERGE_REQUEST_LABELS =~ /skip build/
+      when: never
     # execute this in MR only and not for integrate/gitlab-ci/ integrations
     # branches. These are build after the integration has been done in all
     # projects

manifest-integration.yml

@@ -110,6 +110,9 @@ merge:
 build:
   stage: build
   rules:
+    # Do not run build if the "skip build" label is set on the merge request
+    - if: $CI_MERGE_REQUEST_LABELS =~ /skip build/
+      when: never
     # execute this in MR only and not for integrate/gitlab-ci/ integrations
     # branches. These are build after the integration has been done in all
     # projects